( n. )
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.
( n. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012