D defs.my
Entry 1 sense Webster, 1913

Pyroscope

· Pyr·o·scope · IPA
01 n. An instrument for measuring the intensity of heat radiating from a fire, or the cooling influence of bodies. It is a differential thermomet…
  1. 1.
    An instrument for measuring the intensity of heat radiating from a fire, or the cooling influence of bodies. It is a differential thermometer, having one bulb coated with gold or silver leaf.(Physics) [R.]