- thermionics
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/therrm'uy on"iks, therr'mee-/, n. (used with a sing. v.)the branch of physics that deals with thermionic phenomena.[1925-30; see THERMIONIC, -ICS]
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Universalium. 2010.
thermionics
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thermionics — [thʉr΄mī än′iks, thʉr΄mēän′iks] n. the study and science of thermionic activity … English World dictionary
Thermionics — In physics, thermionics is a branch of electronics dealing with the emission of electrons from matter under the influence of heat. See also *Thermionic emission *Thermionic tube … Wikipedia
thermionics — noun plural but singular in construction Date: 1909 physics dealing with thermionic phenomena … New Collegiate Dictionary
thermionics — ther·mi·on·ics (thur″me onґiks) the science of the phenomena exhibited by thermions … Medical dictionary
thermionics — noun (U) technical the part of science that deals with the flow of electrons from heated metal … Longman dictionary of contemporary English
thermionics — therm·ion·ics … English syllables
thermionics — therm•i•on•ics [[t]ˌθɜrm aɪˈɒn ɪks, ˌθɜr mi [/t]] n. (used with a sing. v.) phs the branch of physics dealing with thermionic phenomena • Etymology: 1925–30 … From formal English to slang
thermionics — /θɜmiˈɒnɪks/ (say thermee oniks) noun the science of thermionic phenomena, especially the design and study of thermionic valves …
thermionics — n.pl. (treated as sing.) the branch of science and technology concerned with thermionic emission … Useful english dictionary
Radioisotope thermoelectric generator — A radioisotope thermoelectric generator (RTG, RITEG) is an electrical generator which obtains its power from radioactive decay. In such a device, the heat released by the decay of a suitable radioactive material is converted into electricity by… … Wikipedia
