Science / Chemistry / Pressure: Force per unit area. The SI unit of pressure is the pascal, defined as one newton per square meter. Other common pressure units are the atmosphere, the bar, and the Torr.

Other Words for Pressure

Pressure Adjective Synonyms: compression, pressing, squeezing, compressing, tension, stress, crushing
Pressure Noun Synonyms: force, compression, weight, power, strength

Horizontal Pressure Gradient Force

Science / Tides and Currents / Horizontal Pressure Gradient Force: The horizontal component of the product of the specific volume and the rate of decrease in pressure with distance. MORE

Pressure Tendency

Science / Weather / Pressure Tendency: The pressure characteristic and amount of pressure change during a specified time period, usually the three hour period preceding the observation. MORE

Gas Purged Pressure Gauge

Science / Tides and Currents / Gas Purged Pressure Gauge: A type of water level gauge in which gas, usually nitrogen, is emitted from a submerged orifice at a constant rate. Fluctuations in hydrostatic pressure due to changes in water level modify the record MORE

Vapor Pressure

Science / Chemistry / Vapor Pressure: The partial pressure of a gas in equilibrium with a condensed form (solid or liquid) of the same substance. MORE

Standard Temperature And Pressure

Science / Chemistry / Standard Temperature And Pressure: Used to describe a substance at standard pressure and a temperature of 0°C (273.15 K). MORE

Air Pressure Switch

Technology / Motors / Air Pressure Switch: Used on motors with blowers to measure the difference in pressure across the filter so as to detect a clogged filter. MORE