Vector may refer to:

Mathematics and Physics

• An element in a vector space
• Vector (spatial), an object defined by both magnitude and direction
• Probability vector

Philosophy

• Truth Vectors

Computer Science

• A List or one-dimensional array (and a data structure, based on an array, which is able to grow or shrink as needed, though not efficiently)
• Vector processor, a computer processor which works on arrays of several numbers at once
• Dope vector
• Vector graphics, computer graphics defined by geometric primitives instead of pixels
• Vector (computing), the method that malicious code (viruses, etc) uses to propagate itself

Biology

• A vector in biology has many several meanings:

• An organism that transmits disease by conveying pathogens from one host to another

• A virus used to deliver genetic material into a cell
• A piece of DNA meant to carry DNA fragments into a host cell

Miscellaneous

• Vector Institute, another name for the State Research Center of Virology and Biotechnology
• The Vector, the New Jersey Institute of Technology's school newspaper
• Vector Limited, a New Zealand multi-network infrastructure company
• Vector Marketing, the multi-level marketing firm that sells Cutco knives
• Vector (food) is a cereal manufactured by Kellogg's
• Vector Supercars, or a model they once produced
• Vector, the capital of the Empire in the videogame Final Fantasy VI
• Vector the Crocodile, a character from the Sonic the Hedgehog series of videogames
• Figaro Continental Vector, the city that covers half of the planet Eae in the videogame and animated series, Monkeyfellas
• Vector, a 1970 novel by Henry Sutton
• Vector (band), a 1980s New Wave/Rock band
• Vector is the critical journal of the British Science Fiction Association
• Vector magazine is the journal of the British APL Association

• Vectors are invisible weapon-like hands of the Diclonius in the anime series Elfen Lied.

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