beckman thermometer

English Thesaurus

1. a mercury thermometer that measures small differences or changes in temperature (noun.artifact)

hypernym	:	mercury thermometer, mercury-in-glass thermometer,
definition	:	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 (noun.artifact)