Radiomicrometer
Radiomicrometer (rā`di*o*mi*krom"e*tẽr) , noun
[Radio- + micrometer.]
(Physics) A very sensitive modification or application of the thermopile, used for indicating minute changes of radiant heat, or temperature.
Radiomicrometer (rā`di*o*mi*krom"e*tẽr) , noun
[Radio- + micrometer.]