(n.) A thermal cymoscope which operates by increased resistance when subjected to the influence of electric waves. The original form consisted of an extremely fine platinum wire loop attached to terminals and inclosed in a small glass or silver bulb. In a later variety, called the liquid barretter, wire is replace by a column of liquid in a very fine capillary tube.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). barretter. Retrieved September 23, 2026, from http://smartdefine.org/barretter/definitions/1978464 |
| Chicago | Webster's. 2011. "barretter" http://smartdefine.org/barretter/definitions/1978464 (accessed September 23, 2026). |
| Harvard | Webster's 2011, barretter, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/barretter/definitions/1978464>. |
| MLA | Webster's. "barretter" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/barretter/definitions/1978464> |