vector
Pronunciation
[change]Noun
[change]![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Vector_from_A_to_B.svg/220px-Vector_from_A_to_B.svg.png)
- (countable) (mathematics) A vector is a quantity with both a size and a direction.
- In teaching physics, force or velocity vectors can be added to the animation.
- (countable) (medicine) A vector is an animal or insect that carries and spreads a disease.
- Synonym: carrier
- Other forms of this disease used different insect vectors.