thermograph

/ˈθɜrməˌɡræf/
noun
  1. An instrument that automatically records temperature changes over time.
    • Scientists placed a thermograph in the greenhouse to monitor heat levels throughout the day.
    • The weather station uses a thermograph to track daily temperature fluctuations.
    • The old thermograph in the lab still produces a neat line on a paper chart.
  2. A device that produces an image using heat, such as a thermal imaging camera.
    • A thermograph can detect heat loss from a house by showing warm areas in red.
    • The firefighter used a thermograph to see through the smoke and find hot spots.
    • The rescue team brought a thermograph to locate people trapped in the dark building.
What does "thermograph" mean? | whatsthatwordmean | whatsthatwordmean