vector
noun(vec-tor)
any agent (person or animal or microorganism) that carries and transmits a disease
Examples:
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.
vector
noun(vec-tor)
a straight line segment whose length is magnitude and whose orientation in space is direction
vector
noun(vec-tor)
a variable quantity that can be resolved into components
vector
noun(vec-tor)
(genetics) a virus or other agent that is used to deliver DNA to a cell