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. 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
  4. Mercurochrome a mercurial compound applied topically as an antiseptic
  5. micrometer a metric unit of length equal to one millionth of a meter
  6. order Primates an animal order including lemurs and tarsiers and monkeys and apes and human beings
  7. microphotometer special kind of densitometer that measures density variations over a very small area
  8. aneroid barometer a barometer that measures pressure without using fluids
  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. micrometry measuring with a micrometer
  13. carburetor the part of a combustion engine that mixes air with gasoline
  14. merger agreement contract governing the merger of two or more companies
  15. mercury-vapor lamp ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
  16. vernier micrometer a caliper with a vernier scale for very fine measurements
  17. thermohydrometer a hydrometer that includes a thermometer
  18. mercury chloride a white poisonous soluble crystalline sublimate of mercury
  19. micrometeoric of or relating to micrometeorites
  20. Missouri primrose evening-opening primrose of south central United States