Definition of SILICA

silica

Meanings

Plural: silicas

Noun

  • 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
  • Silicon dioxide.
  • Any of the silica group of the silicate minerals.

Origin / Etymology

From New Latin silica, from Latin silex (“hard stone, flint”), on model of alumina, soda.

Synonyms

E551 when used as an anti-caking agent, silicon dioxide, silicon oxide

Scrabble Score: 8

silica is a valid Scrabble (US) TWL word
silica is a valid Scrabble Word in Merriam-Webster MW Dictionary
silica is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 10

silica is a valid Words With Friends word