vector
UK /ˈvɛktə/ · US /ˈvɛktɚ/ noun, verb
Forms vectors vectoring vectored
- noun (mathematics, physics) A directed quantity, one with both magnitude and direction; the signed difference between two points. “Velocity is a vector defined by the speed of an object and its direction.”
- noun (mathematics) Any member of a (generalized) vector space. “The vectors in #123;#92;mathbbQ#125;#91;X#93; are the single-variable polynomials with rational coefficients: one is #92;textstylex#123;42#125;#43;#92;frac1#123;137#125;x-1.”
- noun (mathematics, computing) An ordered tuple, originally one representing a directed quantity, but by extension any one-dimensional matrix. “Computers store many types of data as vectors for ease of processing.”
- noun (aviation) A chosen course or direction for motion, as of an aircraft.
- noun (programming) A kind of dynamically resizable array.
- noun (computing, operating systems) A memory address containing the address of a code entry point, usually one which is part of a table and often one that is dereferenced and jumped to during the execution of an interrupt.
- noun (computer graphics, attributive) A graphical representation using outlines; vector graphics. “a vector image, vector graphics”
- noun (molecular biology) A DNA molecule used to carry genetic information from one organism into another.
- verb To set (particularly an aircraft) on a course toward a selected point.
- verb (computing) To redirect to a vector, or code entry point.
Synonyms
Etymology
Learned borrowing from Latin vector (“carrier, transporter”), from vehō (“to carry, transport, bear”), also ultimately the root of English vehicle.
The “person or entity that passes along an urban legend or other meme” sense derives from the disease sense.
The mathematics sense was coined by Irish mathematician and astronomer William Rowan Hamilton in 1846.
Webster’s 1913
- noun Same as Radius vector.
- noun A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
Etymology [L., a bearer, carrier. fr. vehere, vectum, to carry.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “vector”, CC BY-SA 4.0. Details