"emit" in the verb sense
1. emit, breathe, pass off
expel (gases or odors)
2. emit, give out, give off
give off, send forth, or discharge as of light, heat, or radiation, vapor, etc.
"The ozone layer blocks some harmful rays which the sun emits"
3. utter, emit, let out, let loose
express audibly utter sounds (not necessarily words
"She let out a big heavy sigh"
"He uttered strange sounds that nobody could understand"
Source: WordNet® (An amazing lexical database of English)
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