cyclone

1 of 2

noun

cy·​clone ˈsī-ˌklōn How to pronounce cyclone (audio)
1
a
: a storm or system of winds that rotates about a center of low atmospheric pressure, advances at a speed of 20 to 30 miles (about 30 to 50 kilometers) an hour, and often brings heavy rain
b
2
: any of various centrifugal devices for separating materials (such as solid particles from gases)
cyclonic adjective
cyclonically adverb

Cyclone

2 of 2

trademark

Cy·​clone ˈsī-ˌklōn How to pronounce Cyclone (audio)
used for a chain-link fence

Examples of cyclone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
It was given a 60 percent chance of cyclone formation through seven says—a 10- percentage-point increase over the previous day. Joe Edwards, MSNBC Newsweek, 19 Aug. 2025 Hurricane Erin has become the first major hurricane of the 2025 Atlantic season after undergoing a period of rapid strengthening to become a Category 4 cyclone. Jeanine Santucci, USA Today, 16 Aug. 2025 After getting caught in a cyclone in early July, rapidly shifting weather systems have continued to push them further north from their planned course. Quinta Thomson, CNN Money, 6 Aug. 2025 First, the Report focuses on reef damage due to water pH becoming more alkaline as CO2 increases, but the Great Barrier Reef (GBR) studies emphasize rising sea temperatures (marine heat waves) and cyclone (hurricane) activity in bleaching corals. Ian Dexter Palmer, Forbes.com, 4 Aug. 2025 See All Example Sentences for cyclone

Word History

Etymology

Noun

modification of Greek kyklōma wheel, coil, from kykloun to go around, from kyklos circle

First Known Use

Noun

1848, in the meaning defined at sense 1a

Time Traveler
The first known use of cyclone was in 1848

Browse Nearby Words

Cite this Entry

“Cyclone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyclone. Accessed 28 Aug. 2025.

Kids Definition

cyclone

noun
cy·​clone ˈsī-ˌklōn How to pronounce cyclone (audio)
1
: a storm or system of winds that rotates about a center of low atmospheric pressure, advances at a speed of 20 to 30 miles (30 to 50 kilometers) an hour, and often brings a great deal of rain
2
cyclonic adjective

More from Merriam-Webster on cyclone

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