1. mercury barometer barometer that shows pressure by the height of a column of mercury
  2. mercury thermometer 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
  3. Mercurochrome a mercurial compound applied topically as an antiseptic
  4. micrometer a metric unit of length equal to one millionth of a meter
  5. microphotometer special kind of densitometer that measures density variations over a very small area
  6. Mercury program a program of rocket-powered flights undertaken by US between 1961 and 1963 with the goal of putting a man in orbit around the earth
  7. aneroid barometer a barometer that measures pressure without using fluids
  8. vernier micrometer a caliper with a vernier scale for very fine measurements
  9. micromillimeter a metric unit of length equal to one billionth of a meter
  10. barometer an instrument that measures atmospheric pressure
  11. micrometeor a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere
  12. carburetor the part of a combustion engine that mixes air with gasoline
  13. mercury-vapor lamp ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
  14. primary care provider a person who helps in identifying or preventing or treating illness or disability
  15. thermohydrometer a hydrometer that includes a thermometer
  16. mercury chloride a white poisonous soluble crystalline sublimate of mercury
  17. Reaumur thermometer an alcohol thermometer calibrated in degrees Reaumur
  18. mercury-in-glass thermometer 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
  19. micrometry measuring with a micrometer
  20. chronometer an accurate clock (especially used in navigation)