TRIDYMITE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A mineral form of silica

Classified under:

Nouns denoting substances

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

mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)

Meronyms (substance of "tridymite"):

silica; silicon dioxide; silicon oxide (a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite)

Credits