beta blocker eyedrop | a treatment for glaucoma, the eyedrops reduce intraocular pressure by reducing the production of aqueous humor |
beta blocker beta-blocking agent beta-adrenergic blocker beta-adrenergic blocking agent | any of various drugs used in treating hypertension or arrhythmia, decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system |
beta-interferon | a form of interferon that is produced by fibroblasts and have antiviral effects, used in the treatment of multiple sclerosis |
beta cell | a cell that produces insulin in the isles of Langerhans in the pancreas |
beta receptor beta-adrenergic receptor beta-adrenoceptor | receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat) |
beta test | (computer science) a second test of an experimental product (such as computer software) carried out by an outside organization |
beta software | software that has not yet been released but has received an alpha test and still has more bugs than a regular release, beta software is usually available only to particular users who will test it |
beta | the nd letter of the Greek alphabet |
Beta Centauri | the second brightest star in Centaurus |
Beta Crucis | the second brightest star in the Southern Cross |
beta particle | a high-speed electron or positron emitted in the decay of a radioactive isotope |
Rigel Beta Orionis | the brightest star in Orion |
beta radiation beta ray electron radiation | radiation of beta particles during radioactive decay |
beta rhythm beta wave | the normal brainwave in the encephalogram of a person who is awake and alert, occurs with a frequency between andhertz |
Beta genus Beta | beets |
beet common beet Beta vulgaris | biennial Eurasian plant usually having a swollen edible root, widely cultivated as a food crop |
beetroot Beta vulgaris rubra | beet having a massively swollen red root, widely grown for human consumption |
chard Swiss chard spinach beet leaf beet chard plant Beta vulgaris cicla | beet lacking swollen root, grown as a vegetable for its edible leaves and stalks |
mangel-wurzel mangold-wurzel mangold Beta vulgaris vulgaris | beet with a large yellowish root, grown chiefly as cattle feed |
beta decay | radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle |
alpha-beta brass Muntz metal yellow metal | a brass that has more zinc and is stronger than alpha brass, used in making castings and hot-worked products |
beta iron | an allotrope of iron that is the same as alpha iron except that it is nonmagnetic, stable between anddegrees centigrade |
beta-naphthol | an isomer of naphthol used in rubber as an antioxidant |
beta endorphin | an endorphin produced by the pituitary gland that suppresses pain |
beta-hydroxybutyric acid | beta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism |
low-density lipoprotein LDL beta-lipoprotein | a lipoprotein that transports cholesterol in the blood, composed of moderate amount of protein and a large amount of cholesterol, high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis |
penicillinase beta-lactamase | enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic |
transferrin beta globulin siderophilin | a globulin in blood plasma that carries iron |
beta | preliminary or testing stage of a software or hardware product, a beta version, beta software |
beta | second in order of importance, the candidate, considered a beta male, was perceived to be unable to lead his party to victory |