emit

verb

1. 1

   expel (gases or odors)

2. 2

   express audibly; utter sounds (not necessarily words)

   She let out a big heavy sigh

   He uttered strange sounds that nobody could understand

3. 3

   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