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单词 augitic
释义

augiticadj.

Brit. /ɔːˈdʒɪtɪk/, U.S. /ɔˈdʒɪdɪk/, /ɑˈdʒɪdɪk/
Origin: Formed within English, by derivation; perhaps modelled on a French lexical item. Etymons: augite n., -ic suffix.
Etymology: < augite n. + -ic suffix, perhaps after French augitique (1816 or earlier).Compare German augitisch (1822 or earlier).
Geology.
Of, relating to, or characteristic of augite; containing augite as a principal component.
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the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [adjective] > varieties
augitic1820
hypersthenic1838
pigeonitic1931
omphacitic1963
jadeitic1965
1820 Monthly Rev. 93 App. 491 Their great approximation to basaltic or augitic prisms..would lead us to infer that they are portions of rudely crystallized veins.
1825 G. P. Scrope Considerations on Volcanos iii. 79 The conglomerate is called Lapillo, or Pozzolana, according as it consists of felspathic, or augitic lava.
1886 J. J. H. Teall Brit. Petrogr. iv. 68 Peridotitic, hornblendic, and augitic rocks have been serpentinised.
1913 Proc. Amer. Acad. Arts & Sci. 49 247 Aegirite is the most abundant pyroxene but some other variety is present, of augitic appearance.
1962 Jrnl. Geol. (Chicago) 70 545/2 Beyond the augitic zone one generally encounters fresh looking olive-brown..or olive-green hornblende.
2002 Meteorics & Planetary Sci. 37 1299 The outer pigeonitic or augitic rims are constantly exsolved, producing sigmoidal augite or enstatite precipitates.
This entry has been updated (OED Third Edition, September 2017; most recently modified version published online December 2021).
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adj.1820
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