thermistor thermionic valve • thermit · · · Info · Definitions · Synonyms · Characters · · thermistor · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) a semiconductor device made of materials whose resistance varies as a function of temperature; can be used to compensate for temperature variation in other components of a circuit. Synonyms: thermal resistor. · · Noun Definition 1 Synonyms · · · thermal resistor · · Synonym 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074