WordReference Random House Unabridged Dictionary of American English © 2020
aph•a•nite  (afə nīt′),USA pronunciation n. [Petrog.]
  1. Rocksa fine-grained igneous rock having such compact texture that the constituent minerals cannot be detected with the naked eye.
aph•a•nit•ic  (afə nīt′),USA pronunciation adj. 
  • Greek aphan(é̄s) unseen, hidden, invisible (a- a-6 + phanēs, adjective, adjectival derivative of phaínein to bring to light, disclose) + -ite1
  • 1860–65;


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