(colloquial, idiomatic) Indicates the expression of a personal opinion, but often used ironically as an understatement.

(organic chemistry) The isomer of thiosemicarbazide R-S-C(=NH)-NH-NH2 (R=H), or any of its derivatives (R=alkyl or aryl radical)

A form of furnace in which an ore is reduced to a metal

plural of rose bug