A short, irritable-looking man was dancing around taking photographs with a large black camera that emitted puffs of purple smoke with every blinding flash.
A number of curious silver instruments stood on spindlelegged tables, whirring and emitting little puffs of smoke.
Harry was at the point of telling Ron and Hermione about Filch and the Kwikspell course when the salamander suddenly whizzed into the air, emitting loud sparks and bangs as it whirled wildly round the room.
Led by Fawkes, whose wide scarlet wings emitted a soft golden glow in the darkness, they walked all the way back to the mouth of the pipe.
There are no more uses of "emit" in the book.
Show samples from other sources
The ozone layer blocks some harmful rays emitted by the sun.