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cinnabar

[sin-uh-bahr] /ˈsɪn əˌbɑr/
noun
1.
a mineral, mercuric sulfide, HgS, occurring in red crystals or masses: the principal ore of mercury.
2.
red mercuric sulfide, used as a pigment.
3.
bright red; vermillion.
Origin
1350-1400
1350-1400; < Latin cinnabaris < Greek kinnábari < ?; replacing Middle English cynoper < Medieval Latin, Latin as above
Related forms
cinnabarine
[sin-uh-buh-reen, -ber-in, -bahr-ahyn, -een] /ˈsɪn ə bəˌrin, -bər ɪn, -ˌbɑr aɪn, -in/ (Show IPA),
cinnabaric
[sin-uh-bar-ik] /ˌsɪn əˈbær ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for cinnabaric

cinnabar

/ˈsɪnəˌbɑː/
noun
1.
a bright red or brownish-red mineral form of mercuric sulphide (mercury(II) sulphide), found close to areas of volcanic activity and hot springs. It is the main commercial source of mercury. Formula: HgS. Crystal structure: hexagonal
2.
the red form of mercuric sulphide (mercury(II) sulphide), esp when used as a pigment
3.
a bright red to reddish-orange; vermilion
4.
a large red-and-black European moth, Callimorpha jacobaeae: family Arctiidae (tiger moths, etc)
Word Origin
C15: from Old French cenobre, from Latin cinnābaris, from Greek kinnabari, of Oriental origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for cinnabaric

cinnabar

n.

mid-15c., "red or crystalline form of mercuric sulphide," also applied to other ores of mercury, originally with reference to its use as a pigment; from Old French cinabre (13c.), from Late Latin cinnabaris, from Greek kinnabari, of oriental origin (cf. Persian zanjifrah in the same sense). Also used 14c.-17c. of red resinous juice of a certain Eastern tree, which was believed to be a mixture of dragon's and elephant's blood.

Online Etymology Dictionary, © 2010 Douglas Harper
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