C |
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noun
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(computing) A particular high-level programming language.
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(slang) $100; a c-note.
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(music) A musical note; middle c.
- An academic grade better than a D and worse than a B.
proper noun
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Head of the Secret Intelligence Service, incorrectly identified in the James Bond literature as "M" ("C" during WW2 was Col. Stewart Menzies - from whence "M")
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c. |
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abbreviation
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(context, preposition) circa
The document was written in the Middle Ages, 1250.
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(context, noun) city
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CA |
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abbreviation
- California, a state of the United States of America.
- Canada.
- Cellular Automata
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cacodyl |
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noun
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(chemistry) The dimethylarsine radical (CH3)2As-
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(chemistry) tetramethyldiarsine formally derived from two of these radicals; an evil-smelling liquid that spontaneously combusts in air
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cadmium |
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noun
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a metallic chemical element (symbol Cd) with an atomic number of 48.
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caesium |
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noun
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a metallic chemical element (symbol Cs) with an atomic number of 55.
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calciferous |
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adjective
- of or pertaining to calcium, calcium carbonate or calcite
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calcine |
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verbto calcine
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(transitive) to heat something without melting in order to drive off water etc, and to decompose carbonates into oxides or to oxidize or reduce it; especially to heat limestone to form quicklime
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(intransitive) to undergo such heating
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calciner |
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noun
- A person who calcines
- A device or container in which calcination takes place
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calcium carbide |
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noun
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(chemical compound) A black, solid, of formula CaC?2, manufactured from lime and carbon at high temperatures; reacts with water to form acetylene.
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calcium carbonate |
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noun
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(chemical compound) A colourless or white inorganic compound, CaCO?3, occuring as chalk, limestone, marble etc; reacts with acids to liberate carbon dioxide.
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calcium hydroxide |
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noun
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(chemical compound) A soft, white powder, Ca(OH)2, obtained by the action of water on calcium oxide; slaked lime.
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calcium oxide |
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noun
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(chemical compound) A white powderous substance, CaO?, commonly known as lime or quicklime; normally made by heating calcium carbonate.
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californium |
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noun
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a transuranic chemical element (symbol Cf) with an atomic number of 98.
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calx |
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noun
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(archaic) The substance which remains after a metal or mineral has been thoroughly burnt, seen as being the essential substance left after the expulsion of phlogiston.
- (Now recognised as being) the oxide left after calcination of a metal.
- calcium oxide
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caoutchouc |
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noun
- latex; natural rubber
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capric acid |
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noun
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(fatty acid) A fatty acid, CH3(CH2)8COOH, obtained from animal fats, and used in the manufacture of perfumes and flavours.
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caproic acid |
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noun
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(fatty acid) A liquid fatty acid, CH3(CH2)4COOH, obtained from animal fats, and used in the manufacture of pharmaceuticals and flavours.
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caprolactam |
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noun
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(organic compound) A lactam (cyclic amide) manufactured from cyclohexanone and used in the manufacture of nylon.
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caprylic acid |
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noun
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(fatty acid) A fatty acid, CH3(CH2)6COOH, obtained from butter and other animal fats, and used in the manufacture of perfumes and flavours.
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carbamate |
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noun
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(organic chemistry) Any salt or ester of carbamic acid.
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carbamic acid |
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noun
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(organic compound) amino-formic acid, NH2COOH; is too unstable to have been isolated, but its esters and salts are known.
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carbanion |
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noun-
(chemistry) any organic anion of general formula R3C-
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carbene |
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noun
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(organic chemistry) Any short-lived, reactive species R2C:, especially the parent compound CH2: (also called methylene).
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carbide |
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noun
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(chemistry) Any binary compound of carbon and a more electropositive element
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(chemistry) The polyatomic ion C22−, or any of its salts.
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(chemistry) The monatomic ion C4−, or any of its salts.
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(chemistry) A carbon-containing alloy or doping of a metal or semiconductor, such as steel.
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(chemistry) tungsten carbide, Tungsten carbide.
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(cycling) trivial name for calcium carbide (CaC?2), used to produce acetylene in bicycle lamps in the early 1900s.
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carbinol |
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noun
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(context, obsolete, organic compound, uncountable) The compound methanol.
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(context, obsolete, organic chemistry, countable) Any substituted methanol.
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carbolic |
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noun
- carbolic acid or similar disinfectant
adjective
- of, relating to or containing carbolic acid
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carbolic acid |
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noun-
an older name for phenol (C6H5OH)
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carbon |
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noun
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(uncountable) The chemical element (symbol C) with an atomic number of 6.
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(context, countable, informal) A sheet of carbon paper.
Make sure the is facing the second sheet of paper, before rolling it into the typewriter.
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(context, countable, informal) A carbon copy.
- A fossil fuel that is made of impure carbon such as coal or charcoal.
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(context, ecology, uncountable) carbon dioxide, Carbon dioxide, in the context of global warming and climate change.
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carbonaceous |
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adjective
- of, relating to, rich in, or yielding carbon
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carbonate |
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noun
- any salt or ester of carbonic acid
verb (carbonat, ing)
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(transitive) to charge (often a beverage) with carbon dioxide
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carbonation |
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noun
- The state of having carbon dioxide gas dissolved in a liquid.
Soda pop is basically sugar water with a little bit of flavoring and added .
- The amount or level of dissolved carbon dioxide remaining in solution.
''Celia didn't eat at the diner anymore because she thought the in their fountain drinks was off.
- carbonization, Carbonization.
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carbon bisulfide |
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noun
- alternative spelling of carbon disulfide
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carbon black |
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noun
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(chemistry) A fine black powder of amorphous carbon manufactured by the incomplete combustion of natural gas or oil, and used as a pigment in the manufacture of ink and paint. Used as a filler in rubber like polymers and rubber. It helps the polymers resist deterioration by UV rays.
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carbon dioxide |
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noun
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(inorganic compound) The normal oxide of carbon, CO2; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.
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carbon disulfide |
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noun-
(chemistry) a binary compound of carbon and sulfur, CS2, a colourless liquid with a not-unpleasant smell; used as a specialist solvent, and in the manufacture of organosulfur compounds
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carbonic |
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adjective
- Of or relating to carbon.
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carbonic acid |
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noun-
a weak unstable acid, H2CO3, known only in solution, and as carbonate salts; it is present in carbonated drinks, and sparkling wine, but decomposes to form carbon dioxide and water
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carbonium ion |
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noun-
(chemistry) a carbenium ion or any carbocation
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carbonization |
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noun- The act or process of carbonizing.
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carbonize |
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verb (carboniz, es)
- To turn something to carbon, especially by heating it; to scorch or blacken.
- To react something with carbon.
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carbon monoxide |
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noun
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(chemical compound) A colourless, odourless, flammable, highly toxic gas (chemical formula CO).
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carbonous |
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adjective
- of, relating to, or containing carbon
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carbon oxychloride |
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noun
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(inorganic compound) (alternative form of, carbonyl chloride)
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carbonyl |
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noun
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(organic chemistry) In organic chemistry, a divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others.
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(inorganic chemistry) Any compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)4.
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carbonyl chloride |
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noun
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(inorganic compound) A toxic gas, COCl2, used in the manufacture of plastics, pesticides etc, and once used as a chemical weapon.
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2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 265:
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:More of a French term. Phosgène. We prefer to call it . Less. . .disquieting, somehow.
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carborane |
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noun
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(organic chemistry) Any of a class of organic compounds of boron, mostly havng a polyhedral structure.
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carboxyl |
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noun
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(organic chemistry) A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.
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carboxylic acid |
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noun
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(organic chemistry) Any of a class of organic compounds containing a carboxyl functional group.
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carboy |
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noun- A large, globular glass bottle, esp. one of green glass,encased in basket work or in a box, used to hold corrosive liquids.
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carbylamine |
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noun-
(obsolete),(chemistry) an isocyanide
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carrier |
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noun
- A person or object that carry, carries someone or something else.
aircraft carrier
armored personnel carrier
- A company in the business of shipping freight.
- A person or animal that transmits a disease to others without itself contracting the disease.
- A signal such as radio, sound, or light that is modulated to transmit information.
- A mobile network operator; wireless carrier
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cascade |
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noun
- A waterfall or series of small waterfalls
Now murm'ring soft, now roaring in . -Cawper
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(figuratively) A stream or sequence of a thing or things occurring as if falling like a cascade.
The rise in serotonin levels sets off a of chemical events — Richard M. Restak, The Secret Life of the Brain, Joseph Henry Press, 2001
- A series of electrical components, the output of any one being connected to the input of the next; See also daisy chain
verb (cascad, ing)
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(intransitive) To fall as a waterfall or series of small waterfalls.
- To occur as a causal sequence.
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(archaic) (slang) To vomit.
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catalysis |
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noun (catalyses)
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(chemistry) The increase of the rate of a chemical reaction induced by a catalyst.
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catalyst |
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noun
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(chemistry) A substance which increases the rate of a chemical reaction without being consumed in the process.
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(automotive) A catalytic converter.
- Someone or something that helps or encourages progress or change.
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I hope the new CEO will be a for change.
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Economic development and integration are working as a for peace.
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catalyze |
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verb (catalyzes, catalyzing, catalyzed, catalyzed)
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(transitive) To bring about the catalysis of a chemical reaction.
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(transitive) To accelerate a process.
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(transitive) To inspire significantly by catalysis.
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catechol |
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noun
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(organic compound) The biologically important diphenol ortho-dihydroxy benzene; isomeric with hydroquinone and resorcinol.
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cation |
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noun
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(chemistry) A positively charged ion; -- opposed to anion.
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(chemistry) The ion in an electrolyzed solution that migrates to the cathode.
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caustic soda |
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noun
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Common name for sodium hydroxide (NaOH?), a strong alkaline substance used in the manufacture of paint and detergents, or as a drain cleaner.
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CB |
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initialism (wikipedia, citizens' band radio)
- citizens' band
- Chemical and Biological
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CD |
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initialism (pos_n)
- compact disk: A form of digital media that is based on the use of a laser to read from a plastic disc in a reader device known as a CD drive. It comes in several varieties including the CD-ROM (ROM=read-only memory) which cannot be written to except during manufacturing, the CD-R (recordable), which can be written to exactly once, and the CD-RW (re-writable), which can be written to as many times as one wishes (to a limit).
- Certificate of deposit: used by financial institutions
- Corps diplomatique: a decal found on automobiles to indicate diplomatic status
- Creative director: head of the creative department (e.g. advertising agencies)
- Corporate design: specific design features of a company, corporate identity CI
- Collision detection: used by an Ethernet network to detect when two computers are sending frames at the same time, and also to deal with such collisions when they happen
- circular dichroism
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cellulose nitrate |
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noun
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(organic compound) The compound nitrocellulose.
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ceric |
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adjective-
(chemistry) Containing cerium with valence four.
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cerium |
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noun
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A metallic chemical element (symbol Ce) with an atomic number of 58.
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cerous |
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adjective-
(chemistry) Containing cerium with valence three.
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cesium |
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noun-
US spelling of caesium.
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cf |
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abbreviation or cf.
- confer: compare
- see also
initialismCF
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(computing) Collaborative Filtering
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chain |
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noun
- A series of interconnected rings or links usually made of metal.
He wore a gold around the neck.
- A series of interconnected things.
This led to an unfortunate of events.
- A series of stores or businesses with the same brand name.
That of restaurants is expanding into our town.
- A number of atoms in a series, which combine to form a molecule.
When examined, the molecular included oxygen and hydrogen.
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(surveying) A series of interconnected links of known length, used as a measuring device.
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(surveying) A long measuring tape.
- A unit of length equal to 22 yards. The length of a commonly used surveying chain. The length of a cricket pitch. Equal to 17.85 metres. Equal to 4 rods.
verb
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(transitive) To fasten something with a chain
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(intransitive) To link multiple items together
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(transitive) To secure someone with fetters
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(transitive) To obstruct the mouth of a river etc with a chain
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(computing) To relate data items with a chain of pointers; to be chained to another data item
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(transitive) To measure a distance using a 66-foot long chain, as in land surveying
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chain reaction |
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noun
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(physics) A nuclear reaction in which particles produced by the fission of one atom trigger fissions of other atoms.
The Manhattan Project produced the first recorded controlled chain reaction.
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(idiom) A series of events, each one causing the next.
''The bombs all exploded in a .
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chalcogen |
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noun
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(inorganic chemistry) Any element of group 16 of the periodic table - oxygen, sulphur, selenium, tellurium and polonium.
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chalcogenide |
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noun
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(inorganic chemistry) Any binary compound of a chalcogen with a more electropositive element.
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chalcophile |
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noun-
(chemistry), (geology) in the Goldschmidt classification, an element such as copper that forms sulphide minerals if sufficient sulphur is available
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