knob noun [ C ] (ROUND OBJECT)
C1 a round handle, or a small, round device for controlling a machine or electrical equipment:
More examples
- Turn the knob in a clockwise direction.
- He pulled the knob and it just came off in his hand.
- She turned the door knob and quietly opened the door.
- Twiddle a knob on a radio in Britain and you may hear more voices speaking crackly French or German than English.
- At the twiddle of a knob the operators can focus on a tiny amount of airspace or scan the whole area.
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Parts of buildings: doors & parts of doors
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knob noun [ C ] (AMOUNT)
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