0 having an unpleasant smell: --
The chlorine dioxide neutralizes the odorous sulphur compounds.
This colorless, intensely odorous liquid is the simplest chiral dithiol.
Odorous house ants have been observed collecting honeydew to feed on from aphids, scale insects, and membracids.
The formaldehyde based chemical interferes with the bacteria in portable toilets, these bacteria release odorous gas when breaking down waste.
Phthalates were first introduced in the 1920s and quickly replaced the volatile and odorous camphor.
While odorous socks are repellent to most humans, they are a strong attractant for some animals, including dogs and mosquitos.
An odor emission often consists of a complex mixture of many odorous compounds.
This organ emits odorous compounds believed to be pheromones.
They are lightly fragrant (hence the scientific name epithet "odorata" of the species, meaning "odorous").
