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stationary front

noun Meteorology.

a front between warm and cold air masses that is moving very slowly or not at all.

Origin of stationary front

First recorded in 1935–40

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

stationary front in Science

stationary front

[stā′shə-nĕr′ē]

A transition zone between two nearly stationary air masses of different density. See more at front.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.