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beta

/ˈbeta/

noun, feminine/ˈbeta/plural: betas

beta; the Greek letter Β, β

Related: partícula beta, radiación beta, rayo beta

Borrowed from Ancient Greek βῆτα (bêta) ultimately from Proto-Semitic *bayt- (“house”).

noun, masculine/ˈbeta/plural: betas

matter, issue, thing, situation, gossip

sendo beta

Perhaps from Betamax.