Meaning of vector

Definition of vector

(noun) a variable quantity that can be resolved into components
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"; "aphids are transmitters of plant diseases"; "when medical scientists talk about vectors they are usually talking about insects"
(genetics) a virus or other agent that is used to deliver DNA to a cell

Other information on vector

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