Definition of reactor in English:


Syllabification: re·ac·tor
Pronunciation: /rēˈaktər


  • 1 (also nuclear reactor) An apparatus or structure in which fissile material can be made to undergo a controlled, self-sustaining nuclear reaction with the consequent release of energy.
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    • The difference between an atomic bomb and a nuclear reactor is in the speed and control of the release of energy.
    • The nuclear reactor releases energy in the form of heat which is used to generate steam, and the steam to generate electricity.
    • Commercial nuclear power reactors are clearly terror targets, particularly those near airports.
  • 1.1A container or apparatus in which substances are made to react chemically, especially one in an industrial plant.
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    • The dehydrogenation and selective hydrogenation reactors were run continuously and the product collected.
    • Solar receivers absorb this concentrated solar radiation and deliver it, in the form of high-temperature heat, to a chemical reactor wherein an endothermic reaction results in the production of solar fuels.
    • A green chemistry example concerns the transfer of raw polymer resin into reactors.
  • 2 Medicine A person who shows an immune response to a specific antigen or an adverse reaction to a drug or other substance.
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    • There is an urgent need to redefine the criteria for revaccination in abortive reactors who show preliminary response stages but do not develop a scar.
    • Production of IL - 12, IL - 4 and IL-IO was similar in TB patients and healthy tuberculin reactors.
    • The response of the eight reactors to the inhaled bronchodilator given at 6 hours (the end of the observation time) is shown in Figure 4.
  • 3 Physics A coil or other component that provides reactance in a circuit.

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a slit made by cutting with a saw