Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
chemical element | Yes | No | No | No |
atomic number 8 | Yes | No | No | No |
chemical element (noun) | atomic number 8 (noun) |
---|---|
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter | a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust |