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beta British & World English

The second letter of the Greek alphabet (Β, β), transliterated as ‘b’

Beta in beta British & World English

The second (typically second-brightest) star in a constellation

beta cell British & World English

Any of the insulin-producing cells in the islets of Langerhans

beta test British & World English

A trial of machinery, software or other products in the final stages of development, carried out by a party unconnected with the development process

beta decay British & World English

Radioactive decay in which an electron is emitted

beta rhythm British & World English

The normal electrical activity of the brain when conscious and alert, consisting of oscillations (beta waves) with a frequency of 18 to 25 hertz

beta blocker British & World English

Any of a class of drugs which prevent the stimulation of the adrenergic receptors responsible for increased cardiac action, used to control heart rhythm, treat angina, and reduce high blood pressure

beta particle British & World English

A fast-moving electron emitted by radioactive decay of substances (originally regarded as rays)

beta receptor British & World English

An adrenergic receptor in the sympathetic nervous system, stimulation of which results especially in increased cardiac activity

beta-adrenergic British & World English

Of, relating to, or affecting beta receptors

beta endorphin British & World English

An endorphin produced in the pituitary gland that is a powerful pain suppressor

Phi Beta Kappa British & World English

(In the US) an honorary society of undergraduates and some graduates to which members are elected on the basis of high academic achievement

beta ray in beta particle British & World English

A fast-moving electron emitted by radioactive decay of substances (originally regarded as rays)

beta-test in beta test British & World English

Subject (a product) to a beta test

carotene British & World English

An orange or red plant pigment found in carrots and many other plant structures. It is a terpenoid hydrocarbon with several isomers, of which one (beta-carotene) is important in the diet as a precursor of vitamin A

beta coefficient in beta British & World English

A measure of the movement in price of a security relative to the stock market as a whole, used to indicate possible risk

beta waves in beta rhythm British & World English

The normal electrical activity of the brain when conscious and alert, consisting of oscillations (beta waves) with a frequency of 18 to 25 hertz

Beta vulgaris in mangold British & World English

A beet of a variety with a large root, cultivated as stockfeed

Beta vulgaris in spinach beet British & World English

Beet of a variety which is cultivated for its leaves, which resemble spinach in taste and appearance

beta-carotene in carotene British & World English

An orange or red plant pigment found in carrots and many other plant structures. It is a terpenoid hydrocarbon with several isomers, of which one (beta-carotene) is important in the diet as a precursor of vitamin A

Beta vulgaris in beet British & World English

A herbaceous plant widely cultivated as a source of food for humans and livestock, and for processing into sugar. Some varieties are grown for their leaves and some for their swollen nutritious root

Beta vulgaris in beetroot British & World English

The variety of beet which produces beetroots

Beta vulgaris in subspecies British & World English

A taxonomic category that ranks below species, usually a fairly permanent geographically isolated race. Subspecies are designated by a Latin trinomial, e.g. (in zoology) Ursus arctos horribilis or (in botany) Beta vulgaris crassa

beta English-Spanish

beta f

beta test English-Spanish

prueba, beta test, testeo m, beta AmL

beta-test English-Spanish

realizar* una prueba beta de, realizar* un beta test de

rayos beta Spanish-English

beta rays pl

beta blocker English-Spanish

betabloqueador m, betabloqueante m

beta version English-Spanish

versión f beta

versión beta Spanish-English

beta version

Phi Beta Kappa English-Spanish

asociación de personas que se han distinguido en sus estudios

versión alfa/beta Spanish-English

alpha/beta version

rayos beta Spanish-English

beta rays pl

versión beta Spanish-English

beta version

versión alfa/beta Spanish-English

alpha/beta version

beta rays in beta English-Spanish

rayos mpl beta