Here's a more detailed explanation:
* Definition: Odour refers to the sensation of smell, which is caused by volatile molecules that enter the nose and interact with olfactory receptors.
* Synonyms: Smell, scent, aroma, fragrance, reek (for unpleasant odours).
* Examples: The odour of fresh bread baking, the odour of gasoline, the odour of perfume.
Let me know if you'd like to know more about how smell works!