Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
hydrogen | Yes | No | No | No |
chemical element | Yes | No | No | No |
hydrogen (noun) | chemical element (noun) |
---|---|
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe | 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 |