Taber's Medical Dictionary
reversal
(rĭ-vĕr′săl )
To hear audio pronunciation of this topic, purchase a subscription or log in.[L. reversus, turned back]
1. A change or turning in the opposite direction.
2. In psychology, a change in an instinct or emotion to its opposite, as from love to hate.
3. Provision of an antidote or antagonist to a drug previously ingested or received by a patient.
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Citation
Venes, Donald, editor. "Reversal." Taber's Medical Dictionary, 25th ed., F.A. Davis Company, 2025. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/756831/all/reversal.
Reversal. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2025. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/756831/all/reversal. Accessed April 18, 2026.
Reversal. (2025). In Venes, D. (Ed.), Taber's Medical Dictionary (25th ed.). F.A. Davis Company. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/756831/all/reversal
Reversal [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2025. [cited 2026 April 18]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/756831/all/reversal.
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