WordNet
beta ray
n. radiation of beta particles during radioactive decay [syn: beta radiation, electron radiation]
Usage examples of "beta ray".
Meanwhile mighty Krool rode forth from the village on his mighty hunting chariot, surrounded by all his retinue and followed by a long and winding train of riders and machines, machines that included not only the traditional catapult and cannon, but enormous laser guns and beta ray bazookas, and a tar-thrower guaranteed to immobilize anything that walked, swam, flew or rolled along.