| earthquake |
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noun
- A shaking of the Earth, caused by volcanic activity or movement around geologic faults.
- A natural disaster.
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| effusive |
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adjective
- gushy; unrestrained, extravagant or excessive in emotional expression
- profuse; overflowing
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| ejecta |
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noun
- Material which has been ejected, especially from a volcano.
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| eluviation |
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noun
- (context, soil science, countable) The sideways or downward movement of dissolved or suspended material within soil caused by rainfall
- (context, geology, uncountable) Creation of geological deposits (eluvial deposits) by in situ weathering or weathering plus gravitational movement or accumulation.
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| eluvium |
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noun - Residual deposits of soil, dust, and rock particles produced by the action of the wind.
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| endogenous |
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adjective
- produced, originating or growing from within
- of a disease, caused by factors within the body
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| Eocene |
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noun - (geology) the Eocene epoch
adjective - (geology) of a geologic epoch within the Paleogene period from about 56 to 34 million years ago
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| eon |
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noun
- (also temporal í¦on) Eternity.
- A period of 1,000,000,000 years.
- (geology): The longest time period used in geology.
- (informal, hyperbolically) A long period of time.
- It's been eons since we last saw each other.
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| epicenter |
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noun
- alternative spelling of epicentre, however it is more commonly referring to the point on the surface where the quake started, directly above the focus (the focus is the exact location below the surface where the quake originated).
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| epigenesis |
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noun - (biology) the theory that an organism develops by differentiation from an unstructured egg rather than by simple enlarging of something preformed
- (geology) changes in the mineral content of rock after its formation
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| epoch |
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noun
- A particular period of history, especially one considered remarkable or noteworthy.
- A notable event which marks the beginning of such a period.
- (astronomy) A precise instant of time that is used as a reference point.
- (context, computing, uncountable) January 1, 1970, 00:00:00 GMT
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| ERA |
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initialism - (baseball) statistic for "Earned Run Average" which equals the number of earned runs allowed per nine innings pitched.
- w:Equal Rights Amendment, Equal Rights Amendment
- electrically reconfigurable array
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| erg |
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noun
- The unit of work or energy, being the amount of work done by a dyne working through a distance of one centimeter.
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| erode |
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verb (erod, ing)
- To eat into or away; to corrode; as, canker erodes the flesh.
- Rhymes: (IPAchar, Rhymes:English:-��d, -��d)
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| erosion |
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noun
- (context, uncountable) The result of having been being worn away or eroded, as by a glacier on rock or the sea on a cliff face
- (context, uncountable) The changing of a surface by mechanical action, friction, thermal expansion or contraction, or impact.
- (context, uncountable) Destruction by abrasive action of fluids.
- (mathematics, image processing) One of two fundamental operations in w:morphological image processing, morphological image processing from which all other morphological operations are derived.
- (dentistry) Loss of tooth enamel due to non-bacteriogenic chemical processes.
- (medicine) A shallow ulceration or lesion, usually involving skin or epithelial tissue.
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| erratic |
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noun - (geology) a rock moved by geologic forces from one location to another, usually by a glacier
adjective - unsteady, random; prone to unexpected changes; not consistent
adverb erratically
- in an erratic manner; unsteadily or randomly
- When I saw the other driver weaving erractically across the road, I decided to keep my distance.
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| erupt |
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verb
- to violently eject
- the volcano erupted, spewing lava across a wide area
- to spontaneous, spontaneously release pressure or tension
- the crowd erupted in anger
- vomit
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| eruption |
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noun
- A violent ejection, such as the spurting out of lava from a volcano
- A sudden release of pressure or tension
- there was an of joy at the final whistle
- an infection of the skin resulting in a rash or blemishing
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| esker |
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noun
- A long, narrow, sinuous ridge created by deposits from a stream running beneath a glacier.
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| etch |
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verb (etches, etching, etched)
- To engrave a surface (especially of metal or glass) in order to produce a printing pattern.
- (context, metaphorically) To make a lasting impression.
- The memory of 9/11 is etched into my mind.
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| eustasy |
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noun (eustasies)
- A worldwide change in sea level
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| exogenous |
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adjective - (biology) produced or originating outside of an organism
- (medicine) of a disease: having an external cause
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| extrude |
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verb (extrud, ing)
- To push or thrust out.
- To form or shape (a metal, plastic etc) by forcing it through a die or an opening.
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| extrusive |
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adjective
- jutting out; extruding
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