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be·ta

 (bā′tə, bē′-)
n.
1. The second letter of the Greek alphabet. See Table at alphabet.
2. The second item in a series or system of classification.
3. A mathematical measure of the sensitivity of rates of return on a portfolio or a given stock compared with rates of return on the market as a whole. A beta of 1.0 indicates that an asset closely follows the market; a beta greater than 1.0 indicates greater volatility than the market.
4. Astronomy The second brightest star in a constellation.
5. Computers The version of a software or hardware product used in a beta test.
adj.
1. Being the second-ranked individual of one's sex. Used of social animals: the beta male of the chimpanzee colony.
2. Chemistry
a. Being in the second position relative to a designated carbon atom in an organic molecule at which an atom or a group may be substituted.
b. Referring to the second of a group of isomers, or molecules of similar origin or properties, determined arbitrarily by those who discover or classify them. Used in combination: beta-estradiol
3. Computers Of or relating to a beta test or the software or hardware involved in a beta test.

[Greek bēta, of Phoenician origin; see byt in Semitic roots.]

beta

(ˈbiːtə)
n
1. (Letters of the Alphabet (Foreign)) the second letter in the Greek alphabet (Β, β), a consonant, transliterated as b
2. the second highest grade or mark, as in an examination
3. (General Physics) (modifier)
a. involving or relating to electrons: beta emitter.
b. relating to one of two or more allotropes or crystal structures of a solid: beta iron.
c. relating to one of two or more isomeric forms of a chemical compound
[from Greek bēta, from Hebrew; see beth]

Beta

(ˈbiːtə)
n
(Astronomy) (foll by the genitive case of a specified constellation) a star in a constellation, usually the second brightest: Beta Persei.

be•ta

(ˈbeɪ tə; esp. Brit. ˈbi-)

n., pl. -tas,
adj. n.
1. the second letter of the Greek alphabet (Β, ß).
2. (cap.) the second brightest star in a constellation: Beta Tauri.
3. the second of any series.
adj.
4.
a. pertaining to one of the possible positions of an atom or group in a compound.
b. pertaining to one of two or more isomeric compounds.
[< Latin < Greek bêta < Semitic; compare Hebrew bēth]

Be•ta

(ˈbeɪ tə; esp. Brit. ˈbi-) Trademark.
a videocassette tape format.

beta

A test period for new software or hardware.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.beta - the 2nd letter of the Greek alphabet
Greek alphabet - the alphabet used by ancient Greeks
alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"
2.beta - beetsBeta - beets          
caryophylloid dicot genus - genus of relatively early dicotyledonous plants including mostly flowers
beet, Beta vulgaris, common beet - biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop
Adj.1.beta - second in order of importance; "the candidate, considered a beta male, was perceived to be unable to lead his party to victory"
important, of import - of great significance or value; "important people"; "the important questions of the day"
2.beta - preliminary or testing stage of a software or hardware productbeta - preliminary or testing stage of a software or hardware product; "a beta version"; "beta software"
explorative, exploratory - serving in or intended for exploration or discovery; "an exploratory operation"; "exploratory reconnaissance"; "digging an exploratory well in the Gulf of Mexico"; "exploratory talks between diplomats"
Translations
beta
beeta
ベータ
beta
beta
bêta

beta

[ˈbiːtə]
A. Nbeta f
B. CPD beta blocker N (Med) → betabloqueador m

beta

nBeta nt; (Brit Sch) → gut

beta

n beta; — blocker beta-bloqueador m, beta-bloqueante m; — carotene betacaroteno; beta-hemolytic beta-hemolítico
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