mm hg

1. 1.

   a unit of pressure equal to 0.001316 atmosphere; named after Torricelli

   Synonymstorrmillimeter of mercury

   Broaderpressure unit

Questions about mm hg

What does mm hg mean?

mm hg means "a unit of pressure equal to 0.001316 atmosphere; named after Torricelli".

What is another word for mm hg?

Close synonyms include torr, millimeter of mercury. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is mm hg a common word?

mm hg is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.