A prefix, from Gr. de`ka, signifying ten; specifically (Metric System), a prefix signifying the weight or measure that is ten times the principal unit.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). deca-. Retrieved September 21, 2026, from http://smartdefine.org/deca-/definitions/1994814 |
| Chicago | Webster's. 2011. "deca-" http://smartdefine.org/deca-/definitions/1994814 (accessed September 21, 2026). |
| Harvard | Webster's 2011, deca-, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/deca-/definitions/1994814>. |
| MLA | Webster's. "deca-" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/deca-/definitions/1994814> |