'Vector' definitions:

Definition of 'vector'

From: WordNet
noun
A variable quantity that can be resolved into components
noun
A straight line segment whose length is magnitude and whose orientation in space is direction
noun
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]
noun
(genetics) a virus or other agent that is used to deliver DNA to a cell

Definition of 'Vector'

From: GCIDE
  • Vector \Vec"tor\, n. [L., a bearer, carrier. fr. vehere, vectum, to carry.]
  • 1. Same as Radius vector. [1913 Webster]
  • 2. (Math.) A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same and their magnitudes equal. Cf. Scalar. [1913 Webster]
  • Note: In a triangle, either side is the vector sum of the other two sides taken in proper order; the process finding the vector sum of two or more vectors is vector addition (see under Addition). [1913 Webster]

Synonyms of 'vector'

From: Moby Thesaurus