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单词 beta
释义

beta

[ bey-tuh or, especially British, bee- ]
/ ˈbeɪ tə or, especially British, ˈbi- /
SEE SYNONYMS FOR beta ON THESAURUS.COM

noun

Origin of beta

<Latin <Greek bêta<Semitic; compare Hebrew bēthbeth

Words nearby beta

stuck on, be, bestud, subject to, be, sweet on, be, bet, beta, beta-adrenergic, beta-adrenergic blocking agent, beta-adrenergic receptor, beta-agonist, beta-amyloid protein
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for beta

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

Medical definitions for beta (1 of 2)

beta
[ bātə, bē- ]

n.

The second letter of the Greek alphabet.
The second item in a series or system of classification.
A beta particle.
A beta ray.

adj.

Of or relating to the second position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.
Of or relating to an isomeric variation of a chemical compound, such as a stereoisomer.

Medical definitions for beta (2 of 2)

β

The Greek letter beta. Entries beginning with this character are alphabetized under beta.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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更新时间:2024/11/11 14:40:15