thermionics


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therm·i·on·ics

 (thûr′mī-ŏn′ĭks)
n. (used with a sing. or pl. verb)
The physics of thermionic phenomena.

thermionics

(ˌθɜːmɪˈɒnɪks)
n
(Electronics) (functioning as singular) the branch of electronics concerned with the emission of electrons by hot bodies and with devices based on this effect, esp the study and design of thermionic valves

therm•i•on•ics

(ˌθɜrm aɪˈɒn ɪks, ˌθɜr mi-)

n. (used with a sing. v.)
the branch of physics dealing with thermionic phenomena.
[1925–30]

thermionics

the science or study of the emission of electrons from substances at high temperatures. — thermionic, adj.
See also: Physics
the science or study of the emission of electrons from substances at high temperatures. — thermionic, adj.
See also: Heat
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thermionics - the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes)
electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices
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References in periodicals archive ?
The tubes were loaded with fifty (50) milligrams of bulk powder and then evacuated using a Thermionics High Vacuum System to a pressure of about [10.sup.-6] Torr.
-- Carex Health Brands has acquired the ThermiPaq hot and cold therapy product line from Thermionics Corp.
NORWELL, Mass.--Carex Health Brands has acquired the ThermiPaq Hot & Cold Therapy brand along with associated assets from Springfield, Ill.-based Thermionics Corp.
"This category won't cannibalize sales of internal analgesics," says Derek Dearwater, EVP of Merritt Island, Fla.-based Niche Products, the national brokerage for Thermionics. "Just because of the high cost of health care and physical therapy, many consumers are trying a do-it-yourself approach."
This was unfortunate for another Louis Kaplan, a high-level scientist in the Thermionics Unit at the Camp Evans Signal Laboratories, a facility a few miles south of Fort Monmouth.
A further section considers dreams, which include thermal and salinity gradients, fuel cells, magneto-hydrodynamics, thermionics, artificial photosynthesis, terraforming, off-planet solar, and nuclear power.
has invented a semiconductor technology that converts heat from a wide variety of sources to electrical energy using solid state thermionics. The most immediate application of this technology could be the recovery of billions of dollars of wasted heat energy that goes up in smoke from stacks and tailpipes every year.
The technology is based on thermionics, which originated nearly a century ago with the basic vacuum tube, a device that consisted of two parallel conductive plates -- cathode and anode -- separated by a vacuum gap.
Talkies were carefully marketed and images as but one more new development in "thermionics," or electrical science--part of a burgeoning age of communication, transportation, and labor saving appliances.
Present range simulators such as the MUTES, Mini-MUTES and AN/FSQT22 -- with their conventional thermionics devices, electromechanical positioners and antennas -- cannot reposition fast enough to simulate these radars.
The Russian thermionics technology favors the use of single-crystal refractory metals to improve structural strength with a CVD coating for the emitter surface.
The U.S.S.R employed thermionics in its Topaz space reactor.) But every other idea has been a commercial success.