millibar

As nouns the difference between millibar and mmhg

is that millibar is a non-si unit of pressure equal to 100 pascals, used primarily to report atmospheric pressure while mmhg is a unit of pressure equal to the amount of fluid pressure one millimeter deep in mercury at zero degrees centigrade on earth.

As nouns the difference between millibar and millibarn

is that millibar is a non-si unit of pressure equal to 100 pascals, used primarily to report atmospheric pressure while millibarn is (physics) a unit of cross section equal to one thousandth of a barn; abbreviation : mb.

As a noun millibar

is a non-si unit of pressure equal to 100 pascals, used primarily to report atmospheric pressure.

As an acronym trowal is

a trough of warm air aloft in the atmosphere, usually between 750-550 millibars.