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frontolysis

American  
[fruhn-tol-uh-sis] / frʌnˈtɒl ə sɪs /

noun

  1. Meteorology.  the dissipation or decrease of a front or frontal zone.

frontolysis British  
/ frʌnˈtɒlɪsɪs /

noun

  1. meteorol the weakening or dissipation of a front

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
frontolysis Scientific  
/ frŭn-tŏl′ĭ-sĭs /

  1. The weakening or complete dissipation of a meteorological front caused by a decrease in the horizontal thermal gradient (the difference in temperature of adjacent air masses) over time.

  2. Compare frontogenesis

Etymology

Origin of frontolysis

First recorded in 1935–40; fronto- + -lysis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.