Smell implies solely the sensation without suggestion of quality or character. Your sense of smell relies on your nose’s recognition of tiny particles in the air called odorants The importance and sensitivity of smell varies among different organisms
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Most mammals have a good sense of smell, whereas most birds do not, except the tubenoses (e.g., petrels and albatrosses), certain species of new world vultures, and the kiwis.
Smell is one of the five senses
Dogs have a very good sense of smell I woke up to the smell of bacon and eggs. To perceive the odor or scent of through the nose by means of the olfactory nerves See examples of smell used in a sentence.
The smell of something is a quality it has which you become aware of when you breathe in through your nose. Smell, the detection and identification by sensory organs of airborne chemicals.