Quelques termes liées à la parfumerie :

Aroma
Term used especially in the food domain. Organoleptic quality taking taste and smell into account.

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.

Stability
Property of a perfume a little bit sensitive to the different physical chemical changes.