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 ?
OBJECTIVE: This study evaluated whether chiropractic treatment was an alternative to long acting beta agonists in terms of improving quality of life and reducing rescue bronchodilator use.
The annoying effect of muscle tremor with beta agonists is due to stimulation of beta 2 receptors in skeletal muscle.
The Study: The readmission rate of 31,658 children two-to-eighteen years old hospitalized for asthma between 2005-2007 were stratified based on the refill rate of the three medicines the children were prescribed: beta agonists, oral steroids and inhaled steroids.
Based in Israel, Inspiro Medical is a medical device company developing a new platform to deliver small molecule drugs such as corticosteroids and beta agonists or larger molecules to treat respiratory diseases.
Notable among the EU's restrictions are its ban on the use of hormones and beta agonists in cattle production and its ban on the use of beta agonists in swine production.
The initial drugs under development include NSAIDs, beta agonists, proton pump inhibitors and behavior modifiers for several species, including dogs, horses and cattle.
Higher doses of corticosteroids do not improve symptoms for all patients and can have significant side effects, while long-acting beta agonists have come under scrutiny for their risk of worsening asthma symptoms that could result in hospitalization and, rarely, death.
For intermittent asthma, reliever medications such as short-acting beta agonists (albuterol and pirbuterol are examples) may be prescribed.
The Food and Drug Administration is requiring major changes to the prescribing information for inhaled long-acting beta agonists as part of a risk management plan to address the ongoing safety issues associated with the products' use in children and adults with asthma, the agency said at a press briefing.
No growth promotants, no natural or synthetic hormones, estrus suppressants, beta agonists or synthetic growth promotants can be administered.
The Food and Drug Administration is requiring major changes to the prescribing information of inhaled long-acting beta agonists as part of a risk management plan to address the ongoing safety issues associated with the products" use in children and adults with asthma--including a recommendation that differs slightly from current asthma treatment guidelines.
Nebulisers and beta agonists have been considered crucial symptom relievers in treating asthma.