(a.) Of long continuance; lasting.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Diuturnal. Retrieved October 2, 2026, from http://smartdefine.org/diuturnal/definitions/1999543 |
| Chicago | Webster's. 2011. "Diuturnal" http://smartdefine.org/diuturnal/definitions/1999543 (accessed October 2, 2026). |
| Harvard | Webster's 2011, Diuturnal, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/diuturnal/definitions/1999543>. |
| MLA | Webster's. "Diuturnal" 27 May 2011. Web. 2 October 2026. <http://smartdefine.org/diuturnal/definitions/1999543> |