| chalaza |
basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
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| chain |
a series of things depending on each other as if linked together; "the chain of command"; "a complicated concatenation of circumstances" (chemistry) a series of linked atoms (generally in an organic molecule) a series of (usually metal) rings or links fitted into one another to make a flexible ligament a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership anything that acts as a restraint a unit of length British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979) connect or arrange into a chain by linking range: a series of hills or mountains; "the valley was between two ranges of hills"; "the plains lay just beyond the mountain range" fasten or secure with chains; "Chain the chairs together" a necklace made by a stringing objects together; "a string of beads"; "a strand of pearls";
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| chalk |
a soft whitish calcite a pure flat white with little reflectance methamphetamine: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces write, draw, or trace with chalk
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| characteristic curve |
(electronics) graph showing how a particular characteristic of a device varies with other parameters
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| characterize |
qualify: describe or portray the character or the qualities or peculiarities of; "You can characterize his behavior as that of an egotist"; "This poem can be characterized as a lament for a dead lover" be characteristic of; "What characterizes a Venetian painting?"
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