Smell

Sensation detected by the olfactory system.

odor scent

A smell is a sensation detected by the olfactory system, resulting from volatile chemical compounds entering the nose and stimulating olfactory receptors.

/smel/

From Middle English smel(len), from Old English smellan.

Smell is how we know what something smells like, like flowers or cookies, using our nose!

What is smell? It's a sensation detected by the olfactory system
How do we smell? Tiny particles in the air stimulate receptors in our nose
Why can smells trigger memories? The olfactory bulb is directly connected to the brain's memory center

odor scent fragrance

sensation perception

fragrance aroma stench

olfactory receptors

olfactory system

natural phenomenon sensory experience