Main Entry: ¹ther·mo·stat

Pronunciation: \ˈthər-mə-ˌstat\

Function: noun

1 : an automatic device for regulating temperature (as by controlling the supply of gas or electricity to a heating apparatus)
2 : a piece of apparatus (as a constant-temperature chamber) regulated by a thermostat

—ther·mo·stat·ic \ˌthər-mə-ˈstat-ik\ adjective

—ther·mo·stat·i·cal·ly \-i-k(ə-)lē\ adverb