aphanite

noun
aph·​a·​nite | \ ˈafəˌnīt, usually -t + V \
plural -s

Definition of aphanite

: a dark rock of such close texture that its separate grains are invisible to the naked eye

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Other Words from aphanite

aphanitic \ ¦afə¦nitik \ adjective
aphanitism \ ˈafəˌnītˌizəm ; əˈfanəˌtiz-​ , aˈ-​ \ noun, plural -s

History and Etymology for aphanite

French, from aphan- + -ite

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Cite this Entry

“Aphanite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aphanite. Accessed 18 Sep. 2021.

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