anhydrous

anhydrous
anhydrous ADJECTIVE Chemistry containing no water.
ORIGIN from Greek an- 'without' + hudr 'water' .

English terms dictionary. 2015.

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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 — [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 — Containing no water, especially water of crystallization. * * * an·hy·drous ( )an hī drəs adj free from water and esp. water that is chemically combined in a crystalline substance <anhydrous ammonia> * * * an·hy·drous (an hiґdrəs) [Gr …   Medical dictionary

  • anhydrous steam — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… …   The Collaborative International Dictionary of English

  • anhydrous gypsum — anhidritas statusas T sritis chemija apibrėžtis Bevandenis gipsas, mineralas. formulė Ca[SO₄] atitikmenys: angl. anhydrite; anhydrous gypsum rus. ангидрит …   Chemijos terminų aiškinamasis žodynas

  • anhydrous salt — bevandenė druska statusas T sritis chemija apibrėžtis Druska, neturinti kristalizacinio vandens. atitikmenys: angl. anhydrous salt; dehydrated salt rus. безводная соль …   Chemijos terminų aiškinamasis žodynas

  • 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

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