mercury thermometer(redirected from mercury-in-glass thermometer)
Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia.
Etymology: L, Mercurius, mythic messenger of the gods; Gk, thermē, heat, metron, measure
a thermometer in which the expandable indicator is mercury. Mercury thermometers are not commonly used in current clinical practice and have been largely replaced by digital, chemical dot, and infrared thermometers.
A thermometer containing mercury for measurement of temperature. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life.
See also: thermometer