cyclone

/'saikloun/

Thân thiện

A satellite image shows a large cyclone swirling over the ocean.

Definition

1. Noun:
   • A violent rotating windstorm: A cyclone is a weather phenomenon characterized by a system of winds rotating inward to an area of low atmospheric pressure, typically bringing destructive weather.
   • (Meteorology) Rapid inward circulation of air masses about a low pressure center: This is the technical meteorological definition, describing the counterclockwise circulation in the Northern Hemisphere and clockwise circulation in the Southern Hemisphere around a central low-pressure zone.

Usage Examples

• Noun:
  • The coastal town was devastated by a powerful cyclone.
  • Meteorologists are tracking a cyclone forming in the Bay of Bengal.
  • The cyclone's eye is a region of calm weather at its center.

Advanced Usage

• "Tropical cyclone": A generic term for a non-frontal synoptic scale low-pressure system over tropical or subtropical waters with organized convection and definite cyclonic surface wind circulation.
  • Hurricanes and typhoons are both types of intense tropical cyclones.
• "Extratropical cyclone": A cyclone that forms outside the tropics, often associated with weather fronts.
  • The winter storm was fueled by a massive extratropical cyclone.
• "Cyclone season": The period of the year when cyclones are most likely to form in a particular region.
  • Preparations for the upcoming cyclone season are underway.

Variants and Related Words

• Cyclonic (adj): Relating to or characteristic of a cyclone.
  • The region experienced cyclonic winds.
• Cyclogenesis (n): The development or strengthening of a cyclone.
  • The satellite imagery showed clear signs of cyclogenesis.
• Anticyclone (n): A weather system with high atmospheric pressure at its center, around which air circulates in the opposite direction to a cyclone.
  • An anticyclone brought clear, sunny weather to the region.

Synonyms

• Storm (especially a rotating storm)
• Hurricane (a severe tropical cyclone in the Atlantic or eastern Pacific)
• Typhoon (a severe tropical cyclone in the western Pacific)
• Tornado (a violently rotating column of air in contact with the ground, which is a different, smaller-scale phenomenon)

Related Phrases

• Cyclone shelter: A sturdy building designed to protect people from the effects of a cyclone.
  • The villagers took refuge in the newly built cyclone shelter.
• Cyclone warning: An official alert issued by meteorological agencies indicating that cyclone conditions are expected.
  • A cyclone warning has been issued for the entire coastline.
• After the cyclone: Referring to the period or conditions following a cyclone's passage.
  • The cleanup began after the cyclone moved inland and weakened.

Idioms

(Note: There are few common idioms using "cyclone" as the core word. It is primarily a technical and meteorological term.) - A cyclone of activity: A metaphor describing a situation of intense, swirling, or chaotic busyness. - The office was a cyclone of activity before the product launch.

Học thuật

Noun

1. a violent rotating windstorm
2. (meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern