vector
A directed quantity, one with both magnitude and direction; the signed difference between two points.
Example
“Velocity is a vector defined by the speed of an object and its direction.”
Other meanings
Any member of a (generalized) vector space.
An ordered tuple, originally one representing a directed quantity, but by extension any one-dimensional matrix.
Where this comes from
This definition is adapted from “vector” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.