(geology) The continuous system of rift valleys in the East African Rift.

(pharmacology) Any amide of rifamycin.

plural of rifamide

(Australia) Any of several tropical freshwater fish of the family Toxotidae.

A rifle mounted on a machine gun base

(pharmacology) The antibiotic 3-azinomethyl-rifamycin.

(pharmacology) Used to form names of rifamycin derivatives used as antibiotics.

plural of rifle grenade

(military) A grenade (small explosive device) designed to be launched from the muzzle of an infantry soldier's rifle, using a rifle cartridge (usually a specially-designed blank cartridge, but occasionally a normal ball round) for propulsion.

Synonym of Kentucky rifle