Quelques termes liées à la parfumerie :

Round out ((To ... a composition)
Full of imagery expression which tries to define the final work of the creator to give to his composition a bigger harmony and the best balance of its components.

Diffusion
Dispersal of a smell in the atmosphere.

Fixative
Unfit term indicating natural nice-smelling products or synthesis to height molecular weights intended to increase the tenacity of a composition and to prolong in the time its olfactive perception.

Scent
That affects the sense of smell.

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