6 ผลลัพธ์ สำหรับ -crookes-
หรือค้นหา: -crookes-, *crookes*, crooke

WordNet (3.0)
crookes(n) English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919), Syn. Sir William Crookes, William Crookes
crookes radiometer(n) electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight
crookes tube(n) the original gas-discharge cathode-ray tube

Collaborative International Dictionary (GCIDE)
Crookes space

[ 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. ]

Crookes tube

(Phys.) A vacuum tube in which the exhaustion is carried to a very high degree, with the production of a distinct class of effects; -- so called from W. Crookes who introduced it. [ 1913 Webster ]


EDICT JP-EN Dictionary
クルックス管[クルックスかん, kurukkusu kan] (n) Crookes tube [Add to Longdo]

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