Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
scientific theory | Yes | No | No | No |
cell theory | Yes | No | No | No |
scientific theory (noun) | cell theory (noun) |
---|---|
a theory that explains scientific observations | (biology) the theory that cells form the fundamental structural and functional units of all living organisms; proposed in 1838 by Matthias Schleiden and by Theodor Schwann |