| 释义 |
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 spaceFirst recorded in 1890–95; after Sir W. Crookes Words nearby Crookes dark spacecrook, crookback, crooked, crookery, Crookes, Crookes dark space, Crooke's granule, Crooke's hyaline degeneration, crookesite, Crookes lens, Crookes radiometer Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |