intervention

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in·ter·ven·tion / ˌintərˈvenshən/ • n. the action or process of intervening: they are plants that grow naturally without human intervention. ∎  interference by a country in another's affairs: the administration was reported to be considering military intervention. ∎  action taken to improve a situation, esp. a medical disorder: two patients were referred for surgical intervention.DERIVATIVES: in·ter·ven·tion·al / -shənl/ adj. (chiefly in the medical sense).

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