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astringent

astringent (əstrĬn´jənt), substance that shrinks body tissues. Astringent medicines cause shrinkage of mucous membranes or exposed tissues and are often used internally to check discharge of serum or mucous secretions in sore throat, hemorrhage, diarrhea, or peptic ulcer. Externally applied astringents, which cause mild coagulation of skin proteins, dry, harden, and protect the skin. Mildly astringent solutions are used in the relief of such minor skin irritations as those resulting from superficial cuts, allergies, insect bites, or athlete's foot. Astringent preparations include silver nitrate, zinc oxide, calamine lotion, tincture of benzoin, and vegetable substances such as tannic and gallic acids, catechu, and oak bark. Some metal salts and acids have also been used as astringents.

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astringent

as·trin·gent / əˈstrinjənt/ • adj. 1. causing the contraction of body tissues, typically of the skin: an astringent skin lotion. 2. sharp or severe in manner or style. ∎  (of taste or smell) sharp or bitter. • n. a substance that causes the contraction of body tissues, typically used to protect the skin and to reduce bleeding from minor abrasions. DERIVATIVES: as·trin·gen·cy n. as·trin·gent·ly adv. (in sense 2 of the adjective).

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astringent

astringent (ă-strin-jĕnt) n. a drug that causes cells to shrink by precipitating proteins from their surfaces. Astringents are used in lotions to harden and protect the skin and to reduce bleeding from minor abrasions.

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astringent

astringent causing contraction of bodily tissues XVI; severe, austere XIX. — F. astringent or L. astringēns, -ent-, f. astringere, f. AD- + stringere bind, draw tight (see STRICTURE).

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astringent

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outpatient •coefficient, deficient, efficient, proficient, sufficient •quotient • patent •interactant, reactant •disinfectant, expectant, protectant •repentant • acceptant •contestant, decongestant •sextant •blatant, latent •intermittent •assistant, coexistent, consistent, distant, equidistant, existent, insistent, persistent, resistant, subsistent, water-resistant •instant •cohabitant, habitant •exorbitant • militant • concomitant •impenitent, penitent •palpitant • crepitant • precipitant •competent, omnicompetent •irritant • incapacitant • Protestant •hesitant • visitant • mightn't • octant •remontant • constant •important, oughtn't •accountant • potent •mutant, pollutant •adjutant • executant • disputant •reluctant •consultant, exultant, resultant •combatant • omnipotent • impotent •inadvertent •Havant, haven't, savant, savante •advent •irrelevant, relevant •pursuivant • solvent • convent •adjuvant •fervent, observant, servant •manservant • maidservant •frequent, sequent •delinquent 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