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beta Inglés británico e internacional

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

beta New Oxford Dictionary for Writers & Editors

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

Beta in beta Inglés británico e internacional

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

beta cell Inglés británico e internacional

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

beta test Inglés británico e internacional

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 test New Oxford Dictionary for Writers & Editors

(two words, hyphen as verb)

beta decay Inglés británico e internacional

Radioactive decay in which an electron is emitted

beta rhythm Inglés británico e internacional

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 Inglés británico e internacional

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 Inglés británico e internacional

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

beta receptor Inglés británico e internacional

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

beta version Inglés británico e internacional

A version of a piece of software that is made available for testing, typically by a limited number of users outside the company that is developing it, before its general release

beta-adrenergic Inglés británico e internacional

Of, relating to, or affecting beta receptors

beta endorphin Inglés británico e internacional

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

Phi Beta Kappa Inglés británico e internacional

(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 Inglés británico e internacional

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

beta-test in beta test Inglés británico e internacional

Subject (a product) to a beta test

carotene Inglés británico e internacional

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 Inglés británico e internacional

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 Inglés británico e internacional

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 beet Inglés británico e internacional

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 Inglés británico e internacional

The variety of beet which produces beetroots

beta-carotene in carotene Inglés británico e internacional

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 mangold Inglés británico e internacional

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

Beta vulgaris in spinach beet Inglés británico e internacional

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

Beta vulgaris in subspecies Inglés británico e internacional

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