Definition of porphyroid in English:

porphyroid

noun ˈpɔːfɪrɔɪd

Geology

A rock having a porphyritic texture, especially one which is metamorphic in origin.

adjective ˈpɔːfɪrɔɪd

Geology

Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From porphyr- + -oid.

nounˈpɔːfɪrɔɪd

Geology

A rock having a porphyritic texture, especially one which is metamorphic in origin.

adjectiveˈpɔːfɪrɔɪd

Geology

Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From porphyr- + -oid.

单词	porphyroid
释义	Definition of porphyroid in English: porphyroid noun ˈpɔːfɪrɔɪd Geology A rock having a porphyritic texture, especially one which is metamorphic in origin. adjective ˈpɔːfɪrɔɪd Geology Porphyritic. Origin Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From porphyr- + -oid. Definition of porphyroid in US English: porphyroid nounˈpɔːfɪrɔɪd Geology A rock having a porphyritic texture, especially one which is metamorphic in origin. adjectiveˈpɔːfɪrɔɪd Geology Porphyritic. Origin Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From porphyr- + -oid.
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