Sir William. 1832–1919, English chemist and physicist: he investigated the properties of cathode rays and invented a type of radiometer and the lens named after him
Crookes in American English
(krʊks)
Sir William1832-1919; Eng. chemist & physicist
All related terms of 'Crookes'
Crookes lens
a type of lens , used in sunglasses , that is made from glass containing cerium . It reduces the transmission of ultraviolet radiation
Crookes space
a dark region near the cathode in some low-pressure gas-discharge tubes
Crookes tube
a type of cathode-ray tube in which the electrons are produced by a glow discharge in a low-pressure gas
Crookes radiometer
a type of radiometer consisting of an evacuated glass bulb containing a set of lightweight vanes , each blackened on one side. The vanes are mounted on a vertical axis and revolve when light, or other radiant energy, falls on them
Crookes dark space
a dark region near the cathode in some low-pressure gas-discharge tubes