cyclogenesis

[ sahy-kluh-jen-uh-sis ]

nounMeteorology.
  1. 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.

Origin of cyclogenesis

1
First recorded in 1935–40; cycl(one) + -o- + genesis

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