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aphanite

[ af-uh-nahyt ]
/ ˈæf əˌnaɪt /
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noun Petrography.

a fine-grained igneous rock having such compact texture that the constituent minerals cannot be detected with the naked eye.

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Origin of aphanite

1860–65; <Greek aphan(ḗs) unseen, hidden, invisible (a-a-6 + phanēs, adj. derivative of phaínein to bring to light, disclose) + -ite1

OTHER WORDS FROM aphanite

aph·a·nit·ic [af-uh-nit-ik], /ˌæf əˈnɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for aphanite

aphanite
/ (ˈæfəˌnaɪt) /

noun

any fine-grained rock, such as a basalt, containing minerals that cannot be distinguished with the naked eye

Word Origin for aphanite

C19: from Greek aphanēs invisible
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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