| 释义 |
noun Physics.the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low. Origin of Aston dark spacenamed after F. W. Aston Words nearby Aston dark spaceAstolat, as-told-to, astomatous, astomia, Aston, Aston dark space, stone's throw, a, astonied, astonish, astonishing, astonishment Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |