mercury barometer
noun
a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.
Also called
mercurial barometer.
Compare
aneroid barometer.
Words nearby mercury barometer
mercurochrome,
mercurous,
mercurous chloride,
mercury,
mercury arc,
mercury barometer,
mercury chloride,
mercury fulminate,
mercury mass,
mercury poisoning,
mercury program