Word Study
Thermopile
CIDE DICTIONARY
Thermopile, n. [Thermo- + pile a heap.].
An instrument of extreme sensibility, used to determine slight differences and degrees of heat. It is composed of alternate bars of antimony and bismuth, or any two metals having different capacities for the conduction of heat, connected with an astatic galvanometer, which is very sensibly affected by the electric current induced in the system of bars when exposed even to the feeblest degrees of heat. [1913 Webster]
OXFORD DICTIONARY
Thermopile, n. a set of thermocouples esp. arranged for measuring small quantities of radiant heat.
ROGET THESAURUS
Thermopile
Thermometer
N thermometer, thermometrograph, mercury thermometer, alcohol thermometer, clinical thermometer, dry-bulb thermometer, wet-bulb thermometer, Anschutz thermometer, gas thermometer, telethermometer, color-changing temperature indicator, thermopile, thermoscope, pyrometer, calorimeter, bomb calorimeter, thermistor, thermocouple, thermostat, thermoregulator, (3) Taste.For further exploring for "Thermopile" in Webster Dictionary Online