cyclogenesis

[ sahy-kluh-jen-uh-sis, sik-luh- ]
/ ˌsaɪ kləˈdʒɛn ə sɪs, ˌsɪk lə- /

noun Meteorology.

the intensification or development of a cyclone.
Compare cyclolysis.

Origin of cyclogenesis

First recorded in 1935–40; cyclo(ne) + genesis