Crookes space
Crookes space Crookes space (kr[oo^]ks). [After Sir William Crookes, English chemist, who first described it.] (Physics) The dark space within the negative-pole glow at the cathode of a vacuum tube, observed only when the pressure is low enough to give a striated discharge; -- called also {Crookes layer}. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • Crookes space — or Crookes dark space «kruks», the nonluminous portion of an electric discharge between the cathode and the negative glow, present when the discharge takes place in a tube containing a gas at very low pressure. ╂[< Sir William Crookes, 1832… …   Useful english dictionary

  • Crookes layer — Crookes space Crookes space (kr[oo^]ks). [After Sir William Crookes, English chemist, who first described it.] (Physics) The dark space within the negative pole glow at the cathode of a vacuum tube, observed only when the pressure is low enough… …   The Collaborative International Dictionary of English

  • crookes dark space — ˈkru̇ks noun Usage: usually capitalized C Etymology: after Sir William Crookes died 1919 English physicist physics : a dark space between the cathode glow and the negative glow called also cathode dark space * * * Physics. the dark space between… …   Useful english dictionary

  • Crookes dark space — noun the dark space in a vacuum tube between the cathode and the negative glow, occurring when pressure is very low. Also, Crookes space, cathode dark space, cathodic dark space. {named after Sir William Crookes, 1832–1919, English chemist and… …   Australian English dictionary

  • Crookes dark space — Physics. the dark space between the cathode glow and the negative glow in a vacuum tube, occurring when the pressure is low. Also called Crookes space. [1890 95; after Sir W. CROOKES] * * * …   Universalium

  • Crookes radiometer — The Crookes radiometer, also known as the light mill, consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of vanes which are mounted on a spindle. The vanes rotate when exposed to light, with faster rotation for more …   Wikipedia

  • Crookes (crater) — Coordinates 10°18′S 164°30′W / 10.3°S 164.5°W / …   Wikipedia

  • Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… …   Wikipedia

  • Crookes, Sir William — ▪ British chemist born June 17, 1832, London, Eng. died April 4, 1919, London  British chemist and physicist noted for his discovery of the element thallium and for his cathode ray studies, fundamental in the development of atomic physics.… …   Universalium

  • Crookes dark space — Krukso tamsusis tarpas statusas T sritis fizika atitikmenys: angl. Crookes dark space vok. Crookesscher Dunkelraum, m rus. тёмное пространство Крукса, n pranc. espace sombre de Crookes, m …   Fizikos terminų žodynas

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