a beam of electrons issuing from the cathode of a high-vacuum tube under the action of an electric field.
| 单词 | θ78507 |
| 释义 | the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > cathode ray (6) cathode ray1880 a beam of electrons issuing from the cathode of a high-vacuum tube under the action of an electric field. Crookes rays1896 Used attributively or in the possessive to designate phenomena observed and apparatus invented by Crookes. Crookes space n. also Crookes dark space… Subcategories:— object at which directed (1) — acceleration of beam after deflection (2) — maximum speed of (1) |
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