frontogenesis

(frän′tō jen′ə sis; also frun′-)

noun

the formation of a weather front as a result of contact between two different air masses, usually with resultant clouds and precipitation

Origin: ModL < fronto- + genesis

See frontogenesis in American Heritage Dictionary 4

noun pl. fron·to·gen·e·ses (-sēzˌ)

Formation or intensification of a meteorological front.

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