Thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube.

synonym: mercury-in-glass thermometer.

Roget 389: thermometer, thermometrograph^†, mercury thermometer, alcohol thermometer, clinical thermometer, dry-bulb thermometer, wet-bulb thermometer, Anschutz thermometer [G.], gas thermometer, telethermometer; color-changing temperature indicator; thermopile, thermoscope^†; pyrometer, calorimeter, bomb calorimeter; thermistor, thermocouple.    [temperature-control devices] thermostat, thermoregulator.    (3) Taste ... show more