Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
quartz | Yes | No | No | No |
silicon | Yes | No | No | No |
quartz (noun) | silicon (noun) |
---|---|
a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities | a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors |
colorless glass made of almost pure silica |