aphanite

noun aph·a·nite \ˈafəˌnīt, usually -t + V\

Definition of aphanite

plural

-s

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

aphanitic

\¦afə¦nitik\ adjective

aphanitism

\ˈafəˌnītˌizəm; əˈfanəˌtiz-, aˈ-\ noun, plural

-s

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of aphanite

French, from aphan- + -ite


Seen and Heard

What made you want to look up aphanite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to cast off or become cast off

Get Word of the Day daily email!