(n.) An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompained by proportional changes in their volumes or dimensions.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Thermometer. Retrieved September 23, 2026, from http://smartdefine.org/thermometer/definitions/2071994 |
| Chicago | Webster's. 2011. "Thermometer" http://smartdefine.org/thermometer/definitions/2071994 (accessed September 23, 2026). |
| Harvard | Webster's 2011, Thermometer, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/thermometer/definitions/2071994>. |
| MLA | Webster's. "Thermometer" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/thermometer/definitions/2071994> |