A vacuum tube in which the exhaustion is carried to a very high degree, with the production of a distinct class of effects; -- so called from W. Crookes who introduced it.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). crookes tube. Retrieved September 30, 2026, from http://smartdefine.org/crookes_tube/definitions/1993154 |
| Chicago | Webster's. 2011. "crookes tube" http://smartdefine.org/crookes_tube/definitions/1993154 (accessed September 30, 2026). |
| Harvard | Webster's 2011, crookes tube, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/crookes_tube/definitions/1993154>. |
| MLA | Webster's. "crookes tube" 27 May 2011. Web. 30 September 2026. <http://smartdefine.org/crookes_tube/definitions/1993154> |