Definitions
from The Century Dictionary.
- noun An organic principle (C20H22O10) obtained from Roccella tinctoria, Lecanora tartarea, and other lichens, which furnish the blue dyestuff called litmus.
- noun Same as
erythrite , 1. - noun A coal-tar color of the xanthene type, prepared by the methylation of eosin. It dyes silk a bluish red with a red fluorescence. Also called
primrose .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A colorless crystalline substance, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also
erythric acid. - noun (Min.) See
Erythrite , 2.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry C20H22O10, an
organic compound extracted from certainlichens , aderivative oforsellinic acid . - noun Alternative form of
erythrite .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek ἐρυθρός (eruthrós, "red"), from the colour of some of its compounds.
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Examples
-
_erythrin_, which acts upon the central nervous system, diminishing its normal functions even to the point of abolishment, without modifying motor excitability or muscular contractility.
The Medicinal Plants of the Philippines Jerome Beers Thomas 1891
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