ultracentrifuge
I. noun Date: 1924 a high-speed centrifuge able to sediment colloidal and other small particles and used especially in determining sizes of such particles and molecular weights of large molecules II. transitive verb Date: 1934 to subject to an ultracentrifuge • ultracentrifugation noun

New Collegiate Dictionary. 2001.

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  • ultracentrifuge — [ul΄trə sen′trə fyo͞oj΄] n. a high speed centrifuge for segregating microscopic and submicroscopic materials to determine the sizes and molecular weights of colloidal and other small particles vt. ultracentrifuged, ultracentrifuging to subject to …   English World dictionary

  • Ultracentrifuge — The ultracentrifuge is a centrifuge optimized for spinning a rotor at very high speeds, capable of generating acceleration as high as 1,000,000 g (9,800 km/s²). There are two kinds of ultracentrifuges, the preparative and the analytical… …   Wikipedia

  • ultracentrifuge — A high speed centrifuge (up to 100,000 rpm) by means of which large molecules, e.g., of protein or nucleic acid s, are caused to sediment at practicable rates; used for determinations of molecular weights, separation of large molecules, criteria… …   Medical dictionary

  • ultracentrifuge — centrifuge centrifuge n. an apparatus having containers for liquids arrayed around a central pivot and rotated at a high speed, thus generating {centrifugal force} on the liquid, and separating substances (such as particles of solid or globules… …   The Collaborative International Dictionary of English

  • ultracentrifuge — ultracentrifugal /ul treuh sen trif yeuh geuhl, euh geuhl/, adj. ultracentrifugally, adv. /ul treuh sen treuh fyoohj /, n., v., ultracentrifuged, ultracentrifuging. Physical Chem. n. 1. a high speed centrifuge for subjecting sols or solutions to… …   Universalium

  • ultracentrifuge — ul•tra•cen•tri•fuge [[t]ˌʌl trəˈsɛn trəˌfyudʒ[/t]] n. v. fuged, fug•ing 1) chem. lab a high speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of… …   From formal English to slang

  • ultracentrifuge — /ʌltrəˈsɛntrəfjudʒ/ (say ultruh sentruhfyoohj) noun 1. a high speed centrifuge capable of separating ultramicroscopic particles. –verb (t) (ultracentrifuged, ultracentrifuging) 2. to separate in an ultracentrifuge …   Australian English dictionary

  • ultracentrifuge — ultracentrifuga statusas T sritis chemija apibrėžtis Įrenginys, sukuriantis išcentrinę jėgą, daugiau kaip 3500 kartų viršijančią sunkio jėgą. atitikmenys: angl. supercentrifuge; ultracentrifuge rus. суперцентрифуга; ультрацентрифуга ryšiai:… …   Chemijos terminų aiškinamasis žodynas

  • ultracentrifuge — ultracentrifuga statusas T sritis fizika atitikmenys: angl. high speed centrifuge; supercentrifuge; ultracentrifuge vok. Ultrazentrifuge, f rus. ультрацентрифуга, f pranc. ultracentrifugeur, m; ultracentrifugeuse, f …   Fizikos terminų žodynas

  • ultracentrifuge — 1. noun A high speed centrifuge, especially one free from convection that is used to separate colloidal particles. 2. verb To submit a material to ultracentrifugation …   Wiktionary

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