Pyrometers

Part of speech: noun

Definitions

1. An instrument used for measuring high temperatures, often utilizing the principle of thermal radiation to determine the heat level in various materials
2. A device employed in various industrial applications to assess temperature without contact, functioning through infrared radiation detection
3. A tool designed for precise temperature measurement at elevated conditions, relying on the emission of infrared energy from heated objects

Etymology: "Pyrometers" is simply the plural of "pyrometer," so the story belongs to the singular. The name is a construction built from two Greek roots: "pyr," meaning fire, which came into Latin as "pyr," and "metron," meaning measure, which passed through Old French "-mètre" before English adopted it. Put together, the word means a fire-measurer, a sensible label for an instrument that reads heat. The first element is the one that surprises most readers. Ancient Greek "pur" (fire) belongs to a very old family of words, and English has borrowed it again and again in scientific terms such as "pyromania" and "pyrotechnics." Each of these is a modern coinage made from the same classical root, so the Greek vocabulary of fire has been recycled for centuries whenever scientists needed a new name. The second element, "-meter," shows the same pattern. The Greek "metron" gave English a whole family of measuring words, including "thermometer" and "barometer." The pyrometer belongs to that group: an instrument whose name is assembled from parts that were already familiar to scientists of the period.