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Meaning of Crookes space | Babel Free

Noun CEFR B2

Definitions

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.

dated

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

Crookes tube crookesite crookie Crooking crookneck Crooks

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