- (n.) A period in human life in which some great change is supposed to take place in the constitution. The critical periods are thought by some to be the years produced by multiplying 7 into the odd numbers 3, 5, 7, and 9; to which others add the 81st year.
- (a.) Relating to a climacteric; critical.
- (n.) Any critical period.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). climacteric. Retrieved September 24, 2026, from http://smartdefine.org/climacteric/definitions/1988139 |
| Chicago | Webster's. 2011. "climacteric" http://smartdefine.org/climacteric/definitions/1988139 (accessed September 24, 2026). |
| Harvard | Webster's 2011, climacteric, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/climacteric/definitions/1988139>. |
| MLA | Webster's. "climacteric" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/climacteric/definitions/1988139> |