infusion
1. The process of steeping a substance in water, either cold or hot (below the boiling point), in order to extract its soluble principles. 2. A medicinal preparation obtained by steeping the crude drug in water. 3. The introduction of fluid other than blood, e.g., saline solution, into a vein. [L. infusio, fr. in-fundo, pp. -fusus, to pour in]

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in·fusion in-'fyü-zhən n
1 a) the introducing of a solution (as of glucose or salt) esp. into a vein also the solution so used
b ) (1) the steeping or soaking usu. in water of a substance (as a plant drug) in order to extract its soluble constituents or principles compare DECOCTION (1) (2) the liquid extract obtained by this process
2) a watery suspension of decaying organic material <culturing soil amebas in lettuce \infusion>

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n.
1. the slow injection of a substance, usually into a vein (intravenous infusion). This is a common method for replacing water, electrolytes, and blood products and is also used for the continuous administration of drugs (e.g. antibiotics, painkillers) or nutrition. See also drip.
2. the process whereby the active principles are extracted from plant material by steeping it in water that has been heated to boiling point (as in the making of tea).
3. the solution produced by this process.

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in·fu·sion (in-fuґzhən) [L. infusio] 1. the steeping of a substance in water to obtain its medicinal principles. 2. the product of the process of steeping a drug for the extraction of its medicinal principles. 3. the therapeutic introduction of a fluid other than blood, as saline solution, into a vein. NOTE: An infusion flows in by gravity, an injection is forced in by a syringe, an instillation is dropped in, and an insufflation is blown in.

Medical dictionary. 2011.

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  • infusion — [ ɛ̃fyzjɔ̃ ] n. f. • XIIIe; lat. infusio 1 ♦ Action d infuser dans un liquide une substance végétale dont on veut extraire les principes solubles. Les tisanes, le thé se font par infusion dans l eau chaude. Infusion à froid. ⇒ macération. 2 ♦… …   Encyclopédie Universelle

  • infusion — in‧fu‧sion [ɪnˈfjuːʒn] noun [countable, uncountable] the act of putting a lot of money or something else that is needed into a company, organization etc: infusion of • Most Japanese acquisitions have been followed by an infusion of capital or… …   Financial and business terms

  • Infusion — In*fu sion, n. [L. infusio a pouring in: cf. F. infusion. See {Infuse}, v. t.] 1. The act of infusing, pouring in, or instilling; instillation; as, the infusion of good principles into the mind; the infusion of ardor or zeal. [1913 Webster] Our… …   The Collaborative International Dictionary of English

  • infusion — Infusion. s. f. L action d infuser quelque drogue. On ne tire ordinairement le suc d une drogue, que par l infusion qu on en fait dans quelque liqueur. Il se prend aussi, pour La liqueur où on a mis infuser quelque drogue. Une infusion de sené,… …   Dictionnaire de l'Académie française

  • infusión — introducción terapeútica de un líquido, especialmente de suero salino en una vena. Goteo . Preparación farmaceútica obtenida añadiendo agua hierviendo sobre drogas medicamentosas para extraer los principios activos solubles fotografía [véase http …   Diccionario médico

  • Infusion — Sf Einträufelung von Flüssigkeiten per. Wortschatz fach. (18. Jh.) Entlehnung. Entlehnt aus l. īnfūsio ( ōnis) das Hineingießen, das Einspritzen , zu l. īnfundere hineingießen, hineinspritzen , zu l. fundere gießen, fließen lassen und l. in .… …   Etymologisches Wörterbuch der deutschen sprache

  • infusión — sustantivo femenino 1. (no contable) Sistema mediante el que se sumergen unos productos, generalmente plantas, en agua hirviendo para que pasen a ella sus elementos solubles: una taza de infusión. Toma una infusión de tila. 2. Bebida obtenida por …   Diccionario Salamanca de la Lengua Española

  • infusion — c.1400, from O.Fr. infusion (13c.) or directly from L. infusionem (nom. infusio), noun of action from pp. stem of infundere (see INFUSE (Cf. infuse)) …   Etymology dictionary

  • infusion — [in fyo͞o′zhən] n. [< Fr or L: Fr infusion < L infusio] 1. the act or process of infusing 2. something infused; tincture; admixture 3. the liquid extract that results from steeping a substance in water 4. Med. the introduction of a solution …   English World dictionary

  • Infusion — (v. lat.), 1) so v.w. Infusum, s. Aufguß; 2) (Med.), Einbringen flüssiger od. gasförmiger fremder Stoffe in Blutgefäße, bes. Venen lebender Thiere od. Menschen. Die I. hat als Heilung wenig Erfolg gehabt u. wird jetzt meist nur zur Erforschung… …   Pierer's Universal-Lexikon

  • Infusion — (lat., »Eingießung«), das Einbringen von Flüssigkeiten in den Körper auf ungewöhnlichem Weg behufs Aufnahme in den Blutkreislauf. Man unterscheidet je nach dem Verfahren: 1) I. direkt in die Blutadern (intravenöse Injektion), 2) I. in die… …   Meyers Großes Konversations-Lexikon

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