radioisotope thermoelectric generator

(redirected from Radiothermal generator)

radioisotope thermoelectric generator

(ther-moh-i-lek -trik) (RTG) See thermoelectric generator.

radioisotope thermoelectric generator

[¦rād·ē·ō′ī·sə‚tōp ¦thər·mō·i′lek·trik ′jen·ə‚rād·ər]
(nucleonics)
A device for converting nuclear energy to electrical energy in which the heat produced by radioactivity of a radioisotope is used to produce a voltage in a thermocouple circuit; chief use has been in space vehicles and in instruments left on the lunar surface. Abbreviated RTG.
References in periodicals archive ?
A major input of plutonium-238 has also occurred as a result of the burn-up of a satellite radiothermal generator, SNAP 9A, in 1964.