opacifier
(noun)
noun
1. (chemistry) a chemical agent added to a material, such as rocket propellant, to make it opaque
2. (figuratively) an extraneous agent or vehicle which, intentionally otherwise, makes something opaque
(noun)
1. (chemistry) a chemical agent added to a material, such as rocket propellant, to make it opaque
2. (figuratively) an extraneous agent or vehicle which, intentionally otherwise, makes something opaque