APHANITE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye

Classified under:

Nouns denoting substances

Hypernyms ("aphanite" is a kind of...):

rock; stone (material consisting of the aggregate of minerals like those making up the Earth's crust)

Derivation:

aphanitic (of or relating to aphanite)

Credits