aphanite

[ af-uh-nahyt ]
/ ˈæf əˌnaɪt /

noun Petrography.

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

Nearby words

  1. aphaeresis,
  2. aphaeretic,
  3. aphagia,
  4. aphakia,
  5. aphalangia,
  6. aphanitic,
  7. aphasia,
  8. aphasic,
  9. aphasiology,
  10. aphelandra

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

Related formsaph·a·nit·ic [af-uh-nit-ik] /ˌæf əˈnɪt ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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