plural of rift zone

A surname.

The Great Rift Valley, of East Africa.

(geology) Tthe eastern branch of the East African Rift fracture system, caused by the separation of the Somali plate from the Nubian plate.

A military select-fire rifle that fires a full power rifle round.

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

(pharmacology) Any amide of rifamycin.

(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.