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1 definition found
 for vector
From WordNet (r) 3.0 (2006) :

      n 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"; "aphids
         are transmitters of plant diseases"; "when medical scientists
         talk about vectors they are usually talking about insects"
         [syn: vector, transmitter]
      4: (genetics) a virus or other agent that is used to deliver DNA
         to a cell

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