Definition of detachment in English:


Syllabification: de·tach·ment
Pronunciation: /diˈtaCHmənt


  • 2 Military A group of troops, aircraft, or ships sent away on a separate mission: a detachment of Marines the battalion went on detachment to Florida
    More example sentences
    • The four Kidd-class destroyers will become the flag ships of separate detachments of the task force,’ he said.
    • U.S. Central Command sent a detachment of the Army's 3rd Infantry Division to control the facility's gate.
    • The Japanese garrison, which included two infantry battalions and naval detachments, resisted tenaciously and the islands were not declared secure until 18 May.
  • 2.1A party of people similarly separated from a larger group: a truck containing a detachment of villagers
    More example sentences
    • Already, a detachment of Vanguards was on its way to intercept the Wings.
    • While neither excessive speed nor alcohol was a factor in this crash, police from both detachments were still urging drivers to slow down because of generally poor road conditions.
    • This, of course, does not factor any of the weapons seized by any of the other municipal police forces or any of the RCMP detachments in the Lower Mainland in the same period.
  • 3The action or process of detaching; separation: structural problems resulted in cracking and detachment of the wall
    More example sentences
    • Retinal detachment (separation of the retina from the pigment epithelium behind it) is a rarer cause of blindness.
    • A second form of retinal detachment may develop when new blood vessels grow on the surface of the retina.
    • The implications of this idea extend beyond vascular disease to other matrix remodeling and detachment processes such as cancer.
    loosening, disconnection, disengagement, separation; removal


mid 17th century: from French détachement, from détacher 'to detach' (see detach).

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