pressure center

1. On a synoptic chart (or on a mean chart of atmospheric pressure), a point of local minimum or maximum pressure; the center of a low or high. 2. A center of cyclonic or anticyclonic circulation.

Related terms:

• pressure-fall center
• pressure-rise center
• center of action
• center jump
• central pressure
• high
• pressure system
• pressure pattern
• storm center
• katallobaric center