Meanings
nounCrookes space (plural Crookes spaces)
plural Crookes spaces
- datednatural sciencesThe 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.
Synonyms: Crookes layer
Synonyms & antonyms
nounThe 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.
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Origin
After Sir William Crookes, English chemist, who first described it.
Full word history & related roots →Cite this entry
APA
Crookes space. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Crookes%20space
MLA
“Crookes space.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Crookes%20space. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “Crookes space,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Crookes%20space.
Source: Crookes space on Wiktionary, CC BY-SA 4.0.