English

Definition of oscillate verb from the Oxford Advanced Learner's Dictionary

     

    oscillate

     verb
    verb
    BrE BrE//ˈɒsɪleɪt//
     
    ; NAmE NAmE//ˈɑːsɪleɪt//
     
    Verb Forms present simple I / you / we / they oscillate
    BrE BrE//ˈɒsɪleɪt//
     
    ; NAmE NAmE//ˈɑːsɪleɪt//
     
    he / she / it oscillates
    BrE BrE//ˈɒsɪleɪts//
     
    ; NAmE NAmE//ˈɑːsɪleɪts//
     
    past simple oscillated
    BrE BrE//ˈɒsɪleɪtɪd//
     
    ; NAmE NAmE//ˈɑːsɪleɪtɪd//
     
    past participle oscillated
    BrE BrE//ˈɒsɪleɪtɪd//
     
    ; NAmE NAmE//ˈɑːsɪleɪtɪd//
     
    -ing form oscillating
    BrE BrE//ˈɒsɪleɪtɪŋ//
     
    ; NAmE NAmE//ˈɑːsɪleɪtɪŋ//
     
    Electronics
     
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  1. 1[intransitive] oscillate (between A and B) (formal) to keep changing from one extreme of feeling or behaviour 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 related entries: Electronics
  4. Word Origin early 18th cent.: from Latin oscillat- ‘swung’, from the verb oscillare.Extra examples The current oscillates between magnetic poles. The needle on the dial will oscillate when a magnetic field is present. her wildly oscillating moods
See the Oxford Advanced American Dictionary entry: oscillate