Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
undulation | Yes | No | No | No |
fluctuation | Yes | No | No | No |
undulation (noun) | fluctuation (noun) |
---|---|
(physics) a movement up and down or back and forth | the quality of being unsteady and subject to changes |
wavelike motion; a gentle rising and falling in the manner of waves | an instance of change; the rate or magnitude of change |
an undulating curve | a wave motion |