Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • Crookes, Sir William 1832-1919. British chemist and physicist who discovered thallium (1861), invented the radiometer (1875), and studied cathode rays.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919)

Etymologies

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Examples

  • The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a DC voltage of up to 100 kilovolts across a gap.

    Google doodle celebrates 115 years of X-rays

  • The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a DC voltage of up to 100

    The Guardian World News

  • Does it not seem to you a case of the 'psychic force,' such as Crookes and Richet describe? "

    The Shadow World

  • When Sir William Crookes asked for ways to make new fertilizers, to shore up dwindling fertilizer stocks, the Haber-Bosch process was born.

    Water Water, Nor Any Drop to Drink

  • I felt that familiar feeling when watching the The Crookes , one of Bailey's acoustics, a band from Sheffield England, heavily inspired by the 50s and 60s, they look strikingly like Lennon back in his Quarrymen days.

    Jess Blanch: Abracadabra

  • Reenie Crooke (Irene), or perhaps another of the Crookes of Holey Plain, who shared a long boundary with Kilmany Park, comes next.

    Archive 2009-02-01

  • Then another of the Bowman girls, then Miss James, who was apparently something to do with the Crookes, maybe a governess.

    Archive 2009-02-01

  • The best suggestion of how it came about it that he was investigating cathode rays with a fluorescent screen painted with barium platinocyanide and a Crookes tube wrapped in black cardboard so visible light from the tube wouldn't interfere.

    Google doodle celebrates 115 years of X-rays

  • 'Bones' doodle celebrates Wilhelm Röntgen's work of 1895 with Crookes tubes and radiation, and adds a nod to eight years of jokes about pigeons doing the hard work of ranking pages

    Google doodle celebrates 115 years of X-rays

  • Röntgen- who had an extremely difficult academic life, came across X-rays on 8 November 1895 while experimenting with Crookes tubes, and began systematic studies of them.

    Google doodle celebrates 115 years of X-rays

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