Definition of vector noun from the Oxford Advanced American Dictionary

     

    vector

     noun
    noun
    NAmE//ˈvɛktər//
     
     
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  1. 1(mathematics) a quantity that has both size and direction Acceleration and velocity are both vectors. compare scalar
  2. 2(biology) an insect, etc. that carries a particular disease from one living thing to another Mosquitoes are the vectors in malaria.
  3. 3(technology) a course taken by an aircraft
See the Oxford Advanced Learner's Dictionary entry: vector