beta decay
(ˈbeɪ təˌæd rəˈnɜr dʒɪk;)
Random House Webster's College Dictionary
a radioactive process in which a beta particle is emitted from the nucleus of an atom.
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beta decay
(beta decay)
Princeton's WordNet
radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle
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antiparticle
(antiparticle)
Princeton's WordNet
a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy
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grain
Webster Dictionary
any small, hard particle, as of sand, sugar, salt, etc.; hence, any minute portion or particle; as, a grain of gunpowder, of pollen, of starch, of sense, of wit, etc
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superstring
(superstring)
Princeton's WordNet
a hypothetical particle that is the elementary particle in a theory of space-time
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antiparticle
(ˈæn tiˌpɑr tɪ kəl, ˈæn taɪ-)
Random House Webster's College Dictionary
a particle whose properties are identical in magnitude to those of a specific elementary particle but are of opposite sign.
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anyon
(ˈæn yɒn)
Random House Webster's College Dictionary
an elementary particle or particle-like excitation having properties intermediate between those of bosons and fermions.
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recoil
(ˈkɔɪl)
Random House Webster's College Dictionary
to undergo a change in momentum as a result either of a collision with an atom, a nucleus, or a particle or of the emission of a particle.
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collimator
(ˈkɒl əˌmeɪ tər)
Random House Webster's College Dictionary
a device for producing a particle beam in which all the particle paths are parallel.
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wimp
(ɪmp)
Random House Webster's College Dictionary
any of a group of weakly interacting elementary particles predicted by various unified field theories, as the W particle and Z-zero particle, that are characterized by relatively large masses.
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beetrave
Webster Dictionary
the common beet (Beta vulgaris)
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wave
Webster Dictionary
a vibration propagated from particle to particle through a body or elastic medium, as in the transmission of sound; an assemblage of vibrating molecules in all phases of a vibration, with no phase repeated; a wave of vibration; an undulation. See Undulation
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vibration
Webster Dictionary
a limited reciprocating motion of a particle of an elastic body or medium in alternately opposite directions from its position of equilibrium, when that equilibrium has been disturbed, as when a stretched cord or other body produces musical notes, or particles of air transmit sounds to the ear. The path of the particle may be in a straight line, in a circular arc, or in any curve whatever
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beet
Webster Dictionary
the root of plants of the genus Beta, different species and varieties of which are used for the table, for feeding stock, or in making sugar
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beet
Webster Dictionary
a biennial plant of the genus Beta, which produces an edible root the first year and seed the second year
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timolol
(ˈtɪm əˌlɔl, -ˌlɒl)
Random House Webster's College Dictionary
a beta blocker, C
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phi beta kappa
(ˈfaɪ ˈbeɪ tə ˈkæp ə, ˈbi tə)
Random House Webster's College Dictionary
a member of Phi Beta Kappa.
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propranolol
(ʊˈpræn əˌlɔl, -ˌlɒl)
Random House Webster's College Dictionary
a beta-blocking drug, C
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beta ray
(ɪˈteɪk)
Random House Webster's College Dictionary
a stream of beta particles.
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isoproterenol
(ˌaɪ sə proʊˈtɛr əˌnɔl, -ˌnɒl)
Random House Webster's College Dictionary
a beta-receptor agonist, C
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beta-adrenergic
(ˈbeɪ təˌæd rəˈnɜr dʒɪk;)
Random House Webster's College Dictionary
of or pertaining to a beta receptor.
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postposition
(ˌpoʊst pəˈzɪʃ ən, ˈpoʊst pəˌzɪʃ ən)
Random House Webster's College Dictionary
a word, particle, or affix so used, as the adjective general in attorney general, or the particle e“to” in Japanese Tokyo e“to Tokyo.”
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beta particle
(ɪˈteɪk)
Random House Webster's College Dictionary
an electron or positron emitted from an atomic nucleus in beta decay.
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magnetic field
(ægˈnɛt ɪk)
Random House Webster's College Dictionary
a region of space near a magnet, electric current, or moving charged particle in which a magnetic force acts on any other magnet, electric current, or moving charged particle.
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chard
(ʃɑrd)
Random House Webster's College Dictionary
a variety of beet, Beta vulgaris cicla, having leaves and leafstalks that are used as a vegetable.
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beta blocker
(ˈbeɪ təˌæd rəˈnɜr dʒɪk;)
Random House Webster's College Dictionary
any of a group of drugs that interfere with the ability of adrenaline to stimulate the beta receptors of the heart.
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sugar beet
(ˈʃʊg ər)
Random House Webster's College Dictionary
a variety of the common beet, Beta vulgaris, having a white root, cultivated for the sugar it yields.
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insulin
(ˈɪn sə lɪn, ˈɪns yə-)
Random House Webster's College Dictionary
a hormone, produced by the beta cells of the islets of Langerhans of the pancreas, that regulates the metabolism of glucose and other nutrients.
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beta ray
(beta radiation, beta ray, electron radiation)
Princeton's WordNet
radiation of beta particles during radioactive decay
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beta radiation
(beta radiation, beta ray, electron radiation)
Princeton's WordNet
radiation of beta particles during radioactive decay
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