micrograniticadj.

Brit.

/ˌmʌɪkrə(ʊ)ɡrəˈnɪtɪk/,

/ˌmʌɪkrə(ʊ)ɡraˈnɪtɪk/, U.S.

/ˈˌmaɪkroʊˌɡrəˈnɪdɪk/

Origin: Formed within English, by compounding. Etymons: micro- comb. form, granitic adj.

Etymology: < micro- comb. form + granitic adj. Compare slightly later microgranite n.

Geology.

Designating or having a microcrystalline and xenomorphic structure; consisting of microgranite.

ΚΠ

1885 A. Geikie Text-bk. Geol. (ed. 2) 109 Where a similar structure is so fine that it can only be recognised with the microscope, it has been called microgranitic or euritic.

1886 Amer. Naturalist 20 1048 It occurs imbedded in a fine-grained red orthoclase rock with a microgranitic structure.

1916 Yukon Territory 171 In thin sections it shows a microgranitic ground mass.

1965 Philos. Trans. (Royal Soc.) A. 257 276 They show a microgranitic texture.

1994 Tectonophysics 234 197 The small late syn-tectonic Carboniferous Davys Creek Granite (DCG) of southeastern Australia consists of microgranitic intrusive bodies of diverse geometry and structure.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	microgranitic
释义	micrograniticadj. Brit. /ˌmʌɪkrə(ʊ)ɡrəˈnɪtɪk/, /ˌmʌɪkrə(ʊ)ɡraˈnɪtɪk/, U.S. /ˈˌmaɪkroʊˌɡrəˈnɪdɪk/ Origin: Formed within English, by compounding. Etymons: micro- comb. form, granitic adj. Etymology: < micro- comb. form + granitic adj. Compare slightly later microgranite n. Geology. Designating or having a microcrystalline and xenomorphic structure; consisting of microgranite. ΚΠ 1885 A. Geikie Text-bk. Geol. (ed. 2) 109 Where a similar structure is so fine that it can only be recognised with the microscope, it has been called microgranitic or euritic. 1886 Amer. Naturalist 20 1048 It occurs imbedded in a fine-grained red orthoclase rock with a microgranitic structure. 1916 Yukon Territory 171 In thin sections it shows a microgranitic ground mass. 1965 Philos. Trans. (Royal Soc.) A. 257 276 They show a microgranitic texture. 1994 Tectonophysics 234 197 The small late syn-tectonic Carboniferous Davys Creek Granite (DCG) of southeastern Australia consists of microgranitic intrusive bodies of diverse geometry and structure. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < adj.1885
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