antielectron | (noun) an elementary particle with positive charge; interaction of a positron and an electron results in annihilation | Synonyms: positron |
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antineutron | (noun) the antiparticle of a neutron | - |
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betatron | (noun) accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux | Synonyms: induction accelerator |
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bevatron | (noun) a cyclotron that accelerates protons up to several billion electron volts | - |
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cistron | (noun) (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity | Synonyms: factor, gene |
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citron | (noun) large lemonlike fruit with thick aromatic rind; usually preserved | - |
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(noun) thorny evergreen small tree or shrub of India widely cultivated for its large lemonlike fruits that have thick warty rind | Synonyms: citron tree, Citrus medica |
cosmotron | (noun) a large proton synchrotron; uses frequency modulation of an electric field to accelerate protons | - |
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cyclotron | (noun) an accelerator that imparts energies of several million electron-volts to rapidly moving particles | - |
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electron | (noun) an elementary particle with negative charge | Synonyms: negatron |
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elytron | (noun) either of the horny front wings in beetles and some other insects which cover and protect the functional hind wings | Synonyms: wing case |
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intron | (noun) sequence of a eukaryotic gene's DNA that is not translated into a protein | Synonyms: noncoding DNA |
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kenotron | (noun) a type of vacuum tube formerly used as a high-voltage rectifier. | - |
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klystron | (noun) an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation | - |
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magnetron | (noun) a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators | - |
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matron | (noun) a married woman (usually middle-aged with children) who is staid and dignified | - |
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(noun) a woman in charge of nursing in a medical institution | - |
(noun) a wardress in a prison | - |
mesotron | (noun) an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0 | Synonyms: meson |
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negatron | (noun) an elementary particle with negative charge | Synonyms: electron |
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neutron | (noun) an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus | - |
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patron | (noun) a regular customer | Synonyms: frequenter |
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(noun) someone who supports or champions something | Synonyms: sponsor, supporter |
(noun) the proprietor of an inn | - |
photoelectron | (noun) an electron that is emitted from an atom or molecule by an incident photon | - |
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plastron | (noun) (zoology) the part of a turtle's shell forming its underside | - |
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(noun) a large pad worn by a fencer to protect the chest | - |
(noun) a metal breastplate that was worn under a coat of mail | - |
(noun) the front of man's dress shirt | - |
(noun) the ornamental front of a woman's bodice or shirt | - |
plectron | (noun) a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument | Synonyms: pick, plectrum |
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positron | (noun) an elementary particle with positive charge; interaction of a positron and an electron results in annihilation | Synonyms: antielectron |
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quercitron | (noun) medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped | Synonyms: black oak, quercitron oak, Quercus velutina, yellow oak |
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(noun) a yellow dye made from the bark of the quercitron oak tree | - |
stabilitron | (noun) a semiconductor diode that exhibits a sharp increase in reverse current at a well-defined reverse voltage: used as a voltage regulator | Synonyms: zenerdiode |
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synchrocyclotron | (noun) cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field | - |
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synchrotron | (noun) cyclotron in which the electric field is maintained at a constant frequency | - |
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