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Crookes dark space

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noun Physics.
the dark space between the cathode glow and the negative glow in a vacuum tube, occurring when the pressure is low.
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Also called Crookes space .

Origin of Crookes dark space

First recorded in 1890–95; after Sir W. Crookes

Words nearby Crookes dark space

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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