The terms âdrug allergy,â âdrug hypersensitivity,â and âdrug reactionâ are often used interchangeably. Drug reactions encompass all adverse events related to drug administration, regardless of etiology. Drug hypersensitivity is defined as an immune-mediated response to a drug agent in a sensitized patient.
By extension, the term manichean is widely applied (often used as a derogatory term) as an adjective to a philosophy of moral dualism, according to which a moral course of action involves a clear (or simplistic) choice between good and evil, or as a noun to people who hold such a view.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: vision (noun). a vivid mental image. he had a vision of his own death. sight, vision, visual sense, visual modality (noun). the ability to see; the visual faculty. vision, visual sensation (noun). the perceptual experience of seeing. the runners emerged from the trees into his clear vision; he had a visual sensation of intense light.