beta

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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
References in periodicals archive ?
eCG is composed of two dissimilar subunits, alpha and beta subunit consisting of 96 and 149 amino acids, respectively.
MADD may be caused by mutations in the electron transfer flavoprotein alpha subunit (ETFA), [4] electron transfer flavoprotein beta subunit (ETFB), or electron transfer flavoprotein dehydrogenase (ETFDH) genes.
As demonstrated in [Figure 4], beta subunit of ATP synthase and subunit of complex I also increased after four weeks treatment with SXSM.
Thus, beta-thalassemia or sickle cell diseaseassociated mutations, which impair the production or function of the beta subunit, do not cause problems with fetal hemoglobin, which can transport oxygen effectively in adults.
Free human chorionic gonadotropin beta subunit in gonadal and nongonadal neoplasms.
Patients of molar pregnancy have high serum levels of Human Chorionic Gonadotropin (hCG), which consists of alpha and beta subunits alpha subunit is identical to TSH and beta subunit has structure to TSH.
Cloning and expression of a cholera toxin beta subunit in Escherichia coli.
Novel beta subunit mutation causes a slow-channel syndrome by enhancing activation and decreasing the rate of agonist dissociation.
The protein accession numbers are as follows: Beta-conglycinin alpha prime subunit (BAC78524); Beta-conglycinin alpha subunit (BAB56161), Beta-conaglycinin beta subunit (P25974), Gy1 (S10851), Gy2 (S11002), Gy3 (S11003), Gy4 (S11004), and Gy5 (CAA55977).
Primary structure of the Beta subunit of the DHP sensitive calcium channel from skeletal muscle.