cyclogenesis

[ sahy-kluh-jen-uh-sis ]
/ ˌsaɪ kləˈdʒɛn ə sɪs /

noun Meteorology.

the development or intensification of a cyclone, usually in simultaneous occurrence with a decrease in atmospheric pressure: They’re studying the timing of cyclogenesis in relation to the onset of monsoon season.

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Origin of cyclogenesis

First recorded in 1935–40; cycl(one) + -o- + genesis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020