Try Our Apps


World Series Quiz

Crookes dark space

noun, 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.
Origin of Crookes dark space
1890-95; after Sir W. Crookes Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
British Dictionary definitions for crookes space

Crookes space

a dark region near the cathode in some low-pressure gas-discharge tubes Also called Crookes dark space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for Crookes dark space

Few English speakers likely know this word

Word Value for crookes

Scrabble Words With Friends

Nearby words for crookes space