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 |
Crookes space | [ After Sir William |
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 |
クルックス管 | [クルックスかん, kurukkusu kan] (n) Crookes tube [Add to Longdo] |