"emit odor" is correct and usable in written English.
You can use it to refer to a substance releasing a smell, either intentionally or unintentionally. For example, "The trash in the alley emitted a strong odor."
"It is eventually going to emit odors like you wouldn't believe," said Assemblywoman Barbara Clark, whose office is just up Springfield Boulevard from the market.
The lawsuit, filed in State Supreme Court in the Bronx on Wednesday by a local environmental advocacy group on behalf of 10 residents of the Hunts Point neighborhood, claims that the two plants emit odors reminiscent of rotten eggs, feces and raw sewage that interfere with the right to use and enjoy their property and public spaces.
It promised to be an "authentic" re-creation of the London of Charles Dickens's novels, complete with soot, pickpockets, cobblestones, gas lamps, animatronic Dickens characters and strategically placed chemical "smell pots" that would, when heated, emit odors of offal and rotting cabbage.
Gut bacteria pooped along with their feces emit odors that the roaches find attractive.
New findings show that gut bacteria in cockroaches pooped along with their feces emit odors that the roaches find attractive.
Although some insects are known to emit odors repellent only to males, no such substance in a vertebrate had ever been described, Park says.
The first service [JP], jointly developed with a professional astrologist, makes the i-Aroma device emit odors that match the dominant planets at a given time of the day.
A prototype system Olfacticon that emits odor emoticons was developed and applied in two contexts: online text chatting and voicemail receiving.
The agency also said that the company "failed to control insects and rodents and emitted odor, dust and solid waste particles into the outdoor atmosphere in quantities resulting in air pollution".
