(noun, verb)


1. a variable quantity that can be resolved into components

Definition categories: thought, variable

2. a straight line segment whose length is magnitude and whose orientation in space is direction

Definition categories: shape

3. any agent (person or animal or microorganism) that carries and transmits a disease

- mosquitos are vectors of malaria and yellow fever

- fleas are vectors of the plague

- when medical scientists talk about vectors they are usually talking about insects

Similar word(s): transmitter

Definition categories: object, agent

4. (genetics) a virus or other agent that is used to deliver DNA to a cell

Definition categories: animal, virus

Sentences with vector as a noun:

- The vectors in are the single-variable polynomials with rational coefficients: one is .


1. To set (particularly an aircraft) on a course toward a selected point.