Quelques termes liées à la parfumerie :

Accord
Effect obtains by the mix of two or many first material or simple note. It harmony depend of the equilibrium of proportions and the intensity olfactive of each one.

Preservative Agent
Chemical agent sometimes added to a composition to delay the effects of oxidation.

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)

Line
All the by-products of the same smell, marketed under the same naming.

Solution
Homogeneous liquid containing a dissolved body; preparation diluted with certain nice-smelling products or of concentrated by perfume (alcoholic solution).