thermowell means A metal tube designed to hold and protect a thermometer. Lexicurio rates it Sui generis — a strength score of 91 out of 100.
Etymology
From thermo- + well.
noun
- A metal tube designed to hold and protect a thermometer“An Ashcroft temperature gauge (range of 0 to 500 °C, with a 1% ASME B40.3, grade A accuracy inserted into a thermowell manufactured from 316L stainless steel) was used to measure the temperature.”