Quelques termes liées à la parfumerie :

Anosmia
Absence of the sense of smell.

Dominant
It is the most perceptible note in the olfactive point of view in a composition; ex: a floral note with dominant jasmine.

Infusion
In fragrances, the verb to infuse means putting in prolonged contact (sometimes several years) a solid with a liquid to dissolve it in cold the soluble parts (example: musk, amber, chive, oak moss)

Oxidation
Perfume chemical reaction by contact with the oxygen atmosphere.

Volatile
Indicate a smell evaporating very quickly (fleeting perfume).