Noun push button has 1 sense
  1. push button, push, button - an electrical switch operated by pressing a button; "the elevator was operated by push buttons"; "the push beside the bed operated a buzzer at the desk"
    --1 is a kind of switch, electric switch, electrical switch
    --1 is a part of push-button radio
    --1 has particulars:
     bell push; doorbell, bell, buzzer; horn button; mouse button; panic button; reset button
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