beta particle

noun

Definition of beta particle

: a high-speed electron specifically : one emitted by a radioactive nucleus in beta decay

Recent Examples on the Web

Of course the frisker was measuring gamma waves in addition to alpha and beta particles; all these people presumably cared about was the particles, which could continue to do harm after being removed from the zone. — Aaron Gilbreath, Longreads, "As Innocuous as Plant No. 1," 10 Apr. 2018 Radionuclides: Water systems monitor for beta particles and photon radioactivity in drinking water. — Nathaniel Levine, sacbee, "1,741 districts violated drinking water rules in 2016. Did you drink their water?," 22 Sep. 2017

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More Definitions for beta particle

beta particle

noun

: a high-speed electron specifically : one emitted during radioactive decay of an atomic nucleus