Definitions

1. noun

A unit of pressure in the International System of Units (SI), equal to one millimeter of mercury (mmHg) at standard temperature and pressure.

“The barometer reading was 1000 torr, indicating a high atmospheric pressure.”

2. noun

A unit of pressure in the International System of Units (SI), used to express the pressure of a gas in a gas-filled vessel.

“The pressure gauge measured 750 torr, which was within the safe operating range for the gas tank.”