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1

beta

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noun be·ta \ˈbā-tə, chiefly British ˈbē-\

Simple Definition of beta

  • : the second letter of the Greek alphabet

  • : a version of a product (such as a computer program) that is almost finished and that is used for testing

Source: Merriam-Webster's Learner's Dictionary

Full Definition of beta

  1. 1 :  the 2d letter of the Greek alphabet — see alphabet table

  2. 2 :  beta particle

  3. 3 :  a measure of the risk potential of a stock or an investment portfolio expressed as a ratio of the stock's or portfolio's volatility to the volatility of the market as a whole

  4. 4 :  a nearly complete prototype of a product (as software) <released in beta> <the beta version>

Examples of beta in a sentence

  1. a program that is currently in beta



Origin and Etymology of beta

Middle English betha, from Latin beta, from Greek bēta, of Semitic origin; akin to Hebrew bēth beth


First Known Use: 14th century

Other Alphabet Terms


2

beta

adjective be·ta

Definition of beta

  1. :  second in position in the structure of an organic molecule from a particular group or atom <beta substitution> —often used in combination —symbol β



1862

First Known Use of beta

1862

Other Chemical Engineering Terms

Rhymes with beta


Medical Dictionary

1

beta

play play
noun be·ta \ˈbāt-ə, chiefly British ˈbē-tə\

Medical Definition of beta

  1. 1:  the second letter of the Greek alphabet—symbol Β or β

  2. 2:  beta particle

  3. 3:  beta wave




2

beta

adjective be·ta

Medical Definition of beta

  1. 1:  of or relating to one of two or more closely related chemical substances <the beta chain of hemoglobin> <β-yohimbine>—used somewhat arbitrarily to specify ordinal relationship or a particular physical form and especially one that is allotropic, isomeric, stereoisomeric, or sometimes polymeric (as in β-D-glucose)

  2. 2:  second in position in the structure of an organic molecule from a particular group or atom; also :  occurring at or having a structure characterized by such a position <beta substitution>

  3. 3:  producing a zone of decolorization when grown on blood media—used of some hemolytic streptococci or of the hemolysis they cause



Variants of beta

or

β-


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