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cyclogenesis

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

noun

Meteorology.
  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.


Etymology

Origin of cyclogenesis

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Goretti, named by French forecasters, is likely to undergo "explosive cyclogenesis" - also known as a "weather bomb".

From BBC Jan. 7, 2026

Goretti will likely undergo "explosive cyclogenesis" on Thursday - sometimes called a "weather bomb".

From BBC Jan. 6, 2026

BBC Weather's Matt Taylor confirmed that Ciarán has been classified as a weather bomb, or 'explosive cyclogenesis'.

From BBC Nov. 2, 2023

A cyclogenesis refers to an intensification of a cyclone or low-pressure storm system.

From Seattle Times Feb. 3, 2023

The rapid cyclogenesis - known colloquially as a "weather bomb" - is a deep low pressure system moving slowly eastwards between Iceland and Scotland.

From BBC Dec. 9, 2014

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