- (n.) A directed quantity, as a straight line, a force or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
- (n.) Same as Radius vector.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). vector. Retrieved September 20, 2026, from http://smartdefine.org/vector/definitions/2078925 |
| Chicago | Webster's. 2011. "vector" http://smartdefine.org/vector/definitions/2078925 (accessed September 20, 2026). |
| Harvard | Webster's 2011, vector, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/vector/definitions/2078925>. |
| MLA | Webster's. "vector" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/vector/definitions/2078925> |