hum
noun/hʌm/
/hʌm/
[singular]- hum (of something) a low continuous sound
- the hum of bees/traffic/voices
- The room filled with the hum of conversation.
- the background hum of the air-conditioning
Oxford Collocations Dictionaryadjective- faint
- gentle
- soft
- …
- hear
- hum of
Word Originlate Middle English: imitative.Definitions on the go
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hum