thermopile(redirected from thermoelectric pile)
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A device consisting of a number of thermocouples connected in series or parallel, used for measuring temperature or generating current.
(General Physics) an instrument for detecting and measuring heat radiation or for generating a thermoelectric current. It consists of a number of thermocouple junctions, usually joined together in series
[C19: from thermo- + pile1 (in the sense: voltaic pile)]
a device consisting of thermocouples joined in series, used for generating thermoelectric current or for detecting and measuring radiant energy.