1. the SI unit of pressure, equal to one newton per square meter
Usage: physics; scientific

Examples

• The atmospheric pressure at sea level is approximately 101,325 pascals.
• The tire pressure was measured at 200,000 pascals.
• Scientists use pascals to measure the pressure of gases in laboratory experiments.
• The pascal is named after French mathematician Blaise Pascal.
• Water pressure increases by about 10,000 pascals per meter of depth.
• The vacuum chamber maintained a pressure of only 0.1 pascals.