(n.) A cloud formation similar to cirro-stratus, but heavier and at a lower level.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). alto-stratus. Retrieved September 21, 2026, from http://smartdefine.org/alto-stratus/definitions/1972815 |
| Chicago | Webster's. 2011. "alto-stratus" http://smartdefine.org/alto-stratus/definitions/1972815 (accessed September 21, 2026). |
| Harvard | Webster's 2011, alto-stratus, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/alto-stratus/definitions/1972815>. |
| MLA | Webster's. "alto-stratus" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/alto-stratus/definitions/1972815> |