aphanite

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English

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English Wikipedia has an article on:
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Etymology

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From Ancient Greek ἀφανής (aphanḗs, indistinct, unseen, obscure) +‎ -ite.

Pronunciation

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Noun

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aphanite (countable and uncountable, plural aphanites)

  1. (geology, petrology) Certain dark igneous rocks having grain so fine that the individual crystals cannot be seen with the naked eye.
    Antonym: phanerite

Derived terms

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Translations

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Further reading

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