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1. A variable quantity that can be resolved into components
    
2. A straight line segment whose length is magnitude and whose orientation in space is direction
    
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"
   - transmitter
    
4. (genetics) a virus or other agent that is used to deliver DNA to a cell

Derived forms: vectors

Type of: agent, straight line, variable, variable quantity, virus

Encyclopedia: Vector