Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
chemical element | Yes | No | No | No |
Se | Yes | No | No | No |
chemical element (noun) | Se (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 toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) |