plural of zircofluoride

(organic chemistry) An aniline derivative and chloroacetanilide herbicide, highly effective against grasses.

(mineralogy) An orthorhombic-dipyramidal yellow mineral containing arsenic, bismuth, calcium, lead, molybdenum, oxygen, phosphorus, and vanadium.

(colloquial, sometimes rhetorical question) What is wrong with. / (colloquial, sometimes rhetorical question) What is the reason for.