a process by which fatty acids are degraded, involving oxidation of the beta carbons and removal of successive two-carbon fragments from the fatty acid.
- Beta particle
an electron or positron emitted from an atomic nucleus in a certain type of radioactive decay. Historical Examples A Brief Account of Radio-activity Francis Preston Venable noun a high-speed electron or positron emitted by a nucleus during radioactive decay or nuclear fission beta particle A high-speed electron or positron, usually emitted by an atomic nucleus […]
- Beta radiation
beta radiation beta radiation [(bay-tuh)] Note: Beta radiation, unlike alpha radiation, has some penetrating power and can pass through clothing and wooden walls.
- Beta ray
a stream of beta particles. Historical Examples The Breath of Life John Burroughs noun a stream of beta particles beta ray A stream of beta particles.
any of several marsupials of the genus Bettongia, of Australia and nearby regions, comprising the short-nosed rat-kangaroos, characterized by short, rounded ears, long hind feet, and a naked muzzle tip: all four species are endangered. noun a species of rat kangaroo of Australia having a short nose