American English

Definition of oscillate verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they oscillate
    he / she / it oscillates
    past simple oscillated
    -ing form oscillating
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  1. 1[intransitive] oscillate (between A and B) (formal) to keep changing from one extreme of feeling or behavior to another, and back again synonym swing Her moods oscillated between depression and elation.
  2. 2[intransitive] (physics) to keep moving from one position to another and back again Watch how the needle on the dial oscillates.
  3. 3[intransitive] (physics) (of an electric current, radio waves, etc.) to change in strength or direction at regular intervals
See the Oxford Advanced Learner's Dictionary entry: oscillate