1. Ingredient in a medicinal preparation that lacks pharmacologic activity but is pharmaceutically necessary or desirable. In tablet or capsule dosage forms, this may be lactose or starch; it is particularly useful in increasing the bulk of potent drug substances whose mass is too small for dosage form manufacture or administration. May be a liquid for the dissolution of drug(s) to be injected, ingested, or inhaled. 2. Denoting that which dilutes; the diluting agent.

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dil·u·ent 'dil-yə-wənt n a diluting agent (as the vehicle in a medicinal preparation)
diluent adj making thinner or less concentrated by admixture: DILUTING

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dil·u·ent (dilґu-ənt) 1. causing dilution. 2. an agent that dilutes or renders less potent or irritant.

Medical dictionary. 2011.

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  • Diluent — Dil u*ent, n. 1. That which dilutes. [1913 Webster] 2. (Med.) An agent used for effecting dilution of the blood; a weak drink. [1913 Webster] There is no real diluent but water. Arbuthnot. [1913 Webster] …   The Collaborative International Dictionary of English

  • Diluent — Dil u*ent, a. [L. diluens, p. pr. diluere. See {Dilute}.] Diluting; making thinner or weaker by admixture, esp. of water. Arbuthnot. [1913 Webster] …   The Collaborative International Dictionary of English

  • diluent — [dil′yo͞o ənt] adj. [L diluens, prp. of diluere] diluting n. a diluting substance …   English World dictionary

  • Diluent — A diluent (also referred to as a filler, dilutant or thinner) is a diluting agent. Certain fluids are too viscous to be pumped easily or too dense to flow from one particular point to the other. This can be problematic, because it might not be… …   Wikipedia

  • diluent — noun Etymology: Latin diluent , diluens, present participle of diluere Date: circa 1721 a diluting agent (as the vehicle in a medicinal preparation) …   New Collegiate Dictionary

  • diluent — /dil yooh euhnt/, adj. 1. serving to dilute; diluting. n. 2. a diluting substance. [1715 25; < L diluent (s. of diluens), prp. of diluere to DILUTE; see ENT] * * * …   Universalium

  • diluent — [ dɪljʊənt] technical noun a substance used to dilute something. adjective acting to cause dilution. Origin C18: from L. diluent , diluere dissolve …   English new terms dictionary

  • diluent — dil•u•ent [[t]ˈdɪl yu ənt[/t]] adj. 1) diluting 2) a diluting substance • Etymology: 1715–25; < L dīluent , s. of dīluēns, prp. of dīluere to dilute …   From formal English to slang

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  • diluent — skiediklis statusas T sritis chemija apibrėžtis Skystis emulsijai, suspensijai ar tirpalui skiesti. atitikmenys: angl. diluent; thinner rus. разбавитель …   Chemijos terminų aiškinamasis žodynas

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