…the second letter of the Greek alphabet (Β, β), transliterated as ‘b’…
…the second (typically second-brightest) star in a constellation…
…a trial of machinery, software or other products in the final stages of development, carried out by a party unconnected with the development process…
…the normal electrical activity of the brain when conscious and alert, consisting of oscillations (beta waves) with a frequency of 18 to 25 hertz…
…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…
…a fast-moving electron emitted by radioactive decay of substances (originally regarded as rays)…
…an adrenergic receptor in the sympathetic nervous system, stimulation of which results especially in increased cardiac activity…
…an endorphin produced in the pituitary gland that is a powerful pain suppressor…
…(in the US) an honorary society of undergraduates and some graduates to which members are elected on the basis of high academic achievement…
…a fast-moving electron emitted by radioactive decay of substances (originally regarded as rays)…
…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…
…a measure of the movement in price of a security relative to the stock market as a whole, used to indicate possible risk…
…the normal electrical activity of the brain when conscious and alert, consisting of oscillations (beta waves) with a frequency of 18 to 25 hertz…
…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…
…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…
…a beet of a variety with a large root, cultivated as stockfeed…
…beet of a variety which is cultivated for its leaves, which resemble spinach in taste and appearance…
…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…
