(n.) A line connecting or marking points on the earth's surface having the same temperature. This may be the temperature for a given time of observation or the mean temperature for a year or other period. Also, a similar line based on the distribution of temperature in the ocean.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). isotherm. Retrieved September 25, 2026, from http://smartdefine.org/isotherm/definitions/2024032 |
| Chicago | Webster's. 2011. "isotherm" http://smartdefine.org/isotherm/definitions/2024032 (accessed September 25, 2026). |
| Harvard | Webster's 2011, isotherm, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/isotherm/definitions/2024032>. |
| MLA | Webster's. "isotherm" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/isotherm/definitions/2024032> |