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beta

[ bey-tuh or, especially British, bee- ]
/ ˈbeɪ tə or, especially British, ˈbi- /
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See synonyms for: beta / betas on Thesaurus.com

noun
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Origin of beta

From Latin, from Greek bêta, from Semitic; compare Hebrew bēth beth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use beta in a sentence

British Dictionary definitions for beta (1 of 2)

beta
/ (ˈbiːtə) /

noun
the second letter in the Greek alphabet (Β, β), a consonant, transliterated as b
the second highest grade or mark, as in an examination
(modifier)
  1. involving or relating to electronsbeta emitter
  2. relating to one of two or more allotropes or crystal structures of a solidbeta iron
  3. relating to one of two or more isomeric forms of a chemical compound

Word Origin for beta

from Greek bēta, from Hebrew; see beth

British Dictionary definitions for beta (2 of 2)

Beta
/ (ˈbiːtə) /

noun
(foll by the genitive case of a specified constellation) a star in a constellation, usually the second brightestBeta Persei
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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