You searched for: “isobar
A line drawn on a weather map that connects places with equal atmospheric pressure over a given period or at a given time.

Isobars are often used collectively to indicate the movement or formation of weather systems.

This entry is located in the following units: -ar (page 4) baro-, bar-, bary- + (page 4)
isobar, isobaric
1. A line connecting places on the earth’s surface having the same barometric pressure at a given time or for a given period.
2. A line on a chart, or map, connecting points of equal atmospheric or hydrostatic pressure.
This entry is located in the following unit: iso-, is- (page 1)