noun

1. The capitalisation, capitalised ninth letter of the Appendix:Roman script, English alphabet, preceded by H and followed by J.

pronoun (desc=personal pronoun, objective, me, possessive, my, possessive noun, mine, reflexive, myself)

1. The speaker or writer, referred to as the grammatical subject of a sentence.

, + Inflection
, -
, object , , me
, -
, reflexive , , myself
, -
, possessive , , mine or my
=

verb (ignit, ing)

1. to set fire (to something), to light (something)
   
2. to spark off (something), to enthuse

abbreviation

1. Illinois, a state of the United States of America.

noun

1. (chemistry) a form of amide in which the nitrogen atom is attached to two carbonyl groups - R₁CONHCOR₂

noun

1. (organic chemistry) A nitrene.

noun

1. (organic chemistry) Any of a class of organic nitrogen compounds having the general formula R₂C=NR; they are tautomeric with enamines.

noun

1. (chemistry) The divalent radical =NH

noun

1. (chemistry) any of a range of organic bases related to phenazine; they form indigo-coloured salts used in making dyes

noun India rubber

1. The latex obtained from certain trees, especially those of the genera Hevea and Ficus
2. The rubber made from this latex

noun

1. a metallic chemical element (symbol In) with an atomic number of 49.

noun

1. (chemistry) An organic compound, C₈H₇N, found in coal tar, and produced in the gut by the bacterial decomposition of tryptophan; it is an aromatic bicyclic heterocycle having a benzene ring fused with a pyrrole ring; indole and its derivatives occur widely in nature and have many industrial applications.
2. (chemistry) Any of the derivatives of indole₁.

adjective

1. unable to move or act
2. sluggish or lethargic
3. in chemistry, not readily reacting with other elements or compounds
4. having no therapeutic action

noun

1. (chemistry) A gas which does not undergo chemical reactions.
2. (context, chemistry, specifically) A noble gas.

verb

1. to hinder; to restrain

noun

1. the act of inhibiting.
2. the state of being inhibited.
3. something that inhibits.

noun

1. (chemistry) Any substance capable of stopping or slowing a specific chemical reaction.

adjective

1. (chemistry) relating to a compound that does not contain carbon

noun

1. (chemistry) The chemistry of the elements (including carbon), and those compounds that do not contain carbon.

noun

1. anything in an intermediate position
2. an intermediary
3. (chemistry) any substance formed as part of a series of chemical reactions that is not the end-product

adjective

1. occurring between two extremes, or in the middle of a range

noun

1. (chemistry) a polysaccharide found in the roots and tubers of certain plants, especially the Compositae; it is mostly a polymer of fructose

noun

1. (archaic) A homosexual man.
2. (context, architecture) An upside-down arch (as in a sewer.)

verb

1. To turn upside down or inside out.
2. (music) To move the root note of a chord up or down an octave, resulting in a change in pitch.

noun

1. An equal mixture of glucose and fructose formed by the enzymatic hydrolysis of sucrose; it is found in honey and some fruits, and also produced industrially

noun

1. (chemistry) The anion IO₃^-; Any salt of iodic acid.

adjective

1. (chemistry) of, or relating to iodine or its compounds, especially those in which it has a valency of five

noun

1. (chemistry) A binary compound of iodine and another element or radical.

noun

1. (chemistry) A type of chemical bond where two atoms or molecules are connected to each other by electrostatic attraction.

noun

1. (chemistry) a polymer, or a biological macromolecule (such as a protein) in which a small but significant proportion of the constituent monomers have ionic groups

adjective

1. (chemistry) containing tetravalent iridium

noun

1. A metallic chemical element (symbol Ir) with an atomic number of 77.

noun

1. (context, uncountable) A metallic chemical element having atomic number 26, and symbol Fe.
2. (context, countable) A tool or appliance made of metal, which is heated and then used to transfer heat to something else; most often a thick piece of metal fitted with a handle and having a flat, roughly triangular bottom, which is heated and used to press wrinkles from clothing, and now usually containing an electrical heating apparatus.
3. (context, usually plural, irons) Shackles.
4. (slang) A handgun.
5. (context, uncountable) A dark shade of the colour/color silver.
6. (context, Cockney rhyming slang, shortened from iron hoof, rhyming with poof; countable, offensive, ) A male homosexual.

verb

1. (transitive) To pass an iron over (clothing or some other item made of cloth) in order to remove creases.

adjective (more iron, most iron)

1. {not comparable} Made of the metal iron.
2. (context, figuratively) Strong (as of will), inflexible.

She had an iron will.

He held on with an iron grip.

noun

1. (obsolete),(chemistry) iron(II) sulfate

noun

1. (chemistry) the organic radical derived from isoamyl alcohol; 3-methyl butyl

noun

1. (chemistry) the univalent radical -N=C=O (tautomeric with cyanate), and any of its hydrocarbyl derivatives R-N=C=O

noun

1. (chemistry) the isomer HN⁺C^- of hydrocyanic acid HCN
   
2. (chemistry) any of its hydrocarbyl derivatives RNC

adjective

1. (chemistry) homocyclic

noun (abbreviated as pI)

1. (physics),(chemistry) the pH of a colloidal suspension or of an ampholyte at which the solute does not move in an electrophoretic field

noun

1. (chemistry) Any of two or more compounds with the same molecular formula but with different structure.
2. (physics) Any of two or more nuclei with the same mass number and atomic number but with different radioactive properties.

noun

1. (chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae

verb

1. (chemistry) to convert a compound into a different isomeric form

noun

1. (chemistry) any isomer of n-octane; especially 2,2,4-trimethylpentane, used as a reference in the determination of the octane number of fuel

noun

1. (organic compound) An unsaturated hydrocarbon, C₅H₈, that is readily polymerized; natural rubber (caoutchouc) is cis-1,4-polyisoprene, and trans-1,4-polyisoprene is present in gutta-percha and balata; it is the structural basis for the terpenes.

noun

1. (organic chemistry) Any compound formally derived from one or more isoprene unit.

noun

1. (chemistry) the univalent organic radical (CH₃)₂CH-

noun

1. (chemistry) any salt or ester of the hypothetical isothiocyanic acid; or the -NCS radical or the NCS^-1 anion; isomeric with thiocyanate

adjective

1. (context, of two solutions) having the same osmotic pressure
2. (context, of a medical solution) Having the same concentration of solutes as human blood.

Use an saline solution in your neti pot to prevent irritation of your nasal passages.

1. (context, of two muscles) having equal tension

noun

1. (chemistry) one of the isomeric dicarboxylic acids produced by the distillation of citric acid, or as metabolites by microorganisms, CH₂=C(CO₂H)-CH₂CO₂H