Definition of microdiorite in English:

microdiorite

noun ˌmʌɪkrə(ʊ)ˈdʌɪərʌɪt

Geology

Any medium-grained or microcrystalline rock whose mineral composition is the same as that of a diorite.

1920s; earliest use found in Arthur Holmes (1890–1965), geologist and geophysicist. From micro- + diorite.

nounˌmʌɪkrə(ʊ)ˈdʌɪərʌɪt

Geology

Any medium-grained or microcrystalline rock whose mineral composition is the same as that of a diorite.

1920s; earliest use found in Arthur Holmes (1890–1965), geologist and geophysicist. From micro- + diorite.

单词	microdiorite
释义	Definition of microdiorite in English: microdiorite noun ˌmʌɪkrə(ʊ)ˈdʌɪərʌɪt Geology Any medium-grained or microcrystalline rock whose mineral composition is the same as that of a diorite. Origin 1920s; earliest use found in Arthur Holmes (1890–1965), geologist and geophysicist. From micro- + diorite. Definition of microdiorite in US English: microdiorite nounˌmʌɪkrə(ʊ)ˈdʌɪərʌɪt Geology Any medium-grained or microcrystalline rock whose mineral composition is the same as that of a diorite. Origin 1920s; earliest use found in Arthur Holmes (1890–1965), geologist and geophysicist. From micro- + diorite.
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