Containing no water, especially water of crystallization.

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an·hy·drous (')an-'hī-drəs adj free from water and esp. water that is chemically combined in a crystalline substance <\anhydrous ammonia>

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an·hy·drous (an-hiґdrəs) [Gr. anydros waterless, from an-1 + hydōr water] 1. deprived of water. 2. of an inorganic compound, not containing water, either in the form of water of crystallization or as water adsorbed to the surface.

Medical dictionary. 2011.

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  • Anhydrous — An*hy drous, a. [Gr. ? wanting water; an priv. + y dwr water.] Destitute of water; as, anhydrous salts or acids. [1913 Webster] || …   The Collaborative International Dictionary of English

  • anhydrous — (adj.) containing no water, 1819, a modern coinage from Gk. an , privative prefix (see AN (Cf. an ) (1)), + hydor water (see WATER (Cf. water) (n.1)). Greek did have anhydros waterless, used of arid lands or corpses that had not been given proper …   Etymology dictionary

  • anhydrous — ► ADJECTIVE Chemistry ▪ containing no water. ORIGIN from Greek an without + hud r water …   English terms dictionary

  • anhydrous — [an hī′drəs] adj. [Gr anydros < an , without + hydōr, WATER] 1. without water 2. Chem. having no water of crystallization; not hydrated …   English World dictionary

  • Anhydrous — As a general term, a substance is said to be anhydrous if it contains no water. The way of achieving the anhydrous form differs from one substance to another.olventsIn many cases, the presence of water can prevent a reaction from happening, or… …   Wikipedia

  • anhydrous — adjective Etymology: Greek anydros, from a + hydōr water more at water Date: 1819 free from water and especially water of crystallization …   New Collegiate Dictionary

  • anhydrous — adj. [Gr. an, without; hydor, water] Being without water; completely lacking in water …   Dictionary of invertebrate zoology

  • anhydrous — /an huy dreuhs/, adj. Chem. with all water removed, esp. water of crystallization. [1810 20; < Gk ánydros waterless (with etymological h restored). See AN 1, HYDRO 1, OUS] * * * …   Universalium

  • anhydrous — adjective a) having little or no water b) having no water of crystallization …   Wiktionary

  • Anhydrous — Безводный …   Краткий толковый словарь по полиграфии

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