opacifier

== English == === Etymology === From opacify +‎ -er. === Pronunciation === === Noun === opacifier (plural opacifiers) (chemistry) a chemical agent added to a material, such as rocket propellant, to make it opaque (figuratively) an extraneous agent or vehicle which, intentionally otherwise, makes something opaque == French == === Etymology === From opaque +‎ -ifier. === Pronunciation === IPA(key): /ɔ.pa.si.fje/ === Verb === opacifier (transitive) to opacify ==== Conjugation ==== ==== Derived terms ==== opacification === Further reading === “opacifier”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012