isallobar Hear it!

isallobar definition

is·al·lo·bar (īs al′ō bär′, -al′ə-)

noun

a line on a weather map connecting places having an equal change of barometric pressure over a given period

Etymology: < is- + allo- + (iso)bar

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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