DictionaryodorousNoticeable smell
adjective

odorous

OH-der-uhs/ˈəʊdərəs/

Having a noticeable smell, often unpleasant.

The odorous sock makes the man pinch his nose and hold it away.

An older man holds a limp, stained sock far from his face while pinching his nose and recoiling, making its strong unpleasant smell visible through his immediate reaction.
Etymology

The pieces describe something characterized by a smell. Earlier use included fragrant things; the connection is to emitting a scent, whether pleasant or unpleasant.

In context

Ahmed Said Kamel1:02
use proper designed Odor Control units to extract these odorous gases from its source and treat the odor before spread to the surrounding air
Why Odour Control System?

More examples

  • The factory installs filters to trap odorous gases.
  • Odorous herbs release their scent when you crush the leaves.
  • Keep odorous foods in tightly sealed containers.

Forms

odorous

odor noun — A smell, especially an unpleasant one.

Similar words

smelly
More informal and usually suggests an unpleasant smell.
malodorous
Specifically describes an unpleasant smell, not merely a noticeable one.
fragrant
Specifically describes a pleasant smell, rather than any noticeable odor.