Bible Dictionaries
Upsetting Thermometer

Webster's Dictionary

A thermometer by merely inverting which the temperature may be registered. The column of mercury is broken and, as it remains until the instrument is reset, the reading may be made at leisure.

Bibliography Information
Webster, Noah. Entry for 'Upsetting Thermometer'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​u/upsetting-thermometer.html. 1828.