Dictionary > English Dictionary > Definition, synonym and antonym of vector
Meaning of vector by Wiktionary Dictionary



    From Latin vector ( “carrier” ), from vehō ( “I carry, I bear” ) .

    The "person or entity that passes along an urban legend or other meme" sense derives from the disease sense .


    • ( UK ) IPA: /ˈvɛktə/
    • ( US ) IPA: /ˈvɛktɚ/
    • Rhymes: -ɛktə( ɹ )


    vector ( plural: vectors )

    1. ( mathematics ) A directed quantity, one with both magnitude and direction; the signed difference between two points.
    2. ( mathematics ) An ordered tuple representing a directed quantity or the signed difference between two points .
    3. ( mathematics ) Any member of a ( generalized ) vector space .
      The vectors in {\mathbb Q}[X] are the single-variable polynomials with rational coefficients: one is x^{42}+\frac1{137}x-1 .
    4. ( aviation ) A chosen course or direction for motion, as of an aircraft .
    5. ( epidemiology ) A carrier of a disease-causing agent .
    6. ( sociology ) A person or entity that passes along an urban legend or other meme .
    7. ( psychology ) A recurring psychosocial issue that stimulates growth and development in the personality .
    8. The way in which the eyes are drawn across the visual text. The trail that a book cover can encourage the eyes to follow from certain objects to others .
    9. ( 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 .
    10. ( programming ) A one-dimensional array .


    vector ( third-person singular simple present vectors present participle vectoring, simple past and past participle vectored )

    1. To set ( particularly an aircraft ) on a course toward a selected point.

    See also

    • The New Oxford Dictionary of English


Explanation of vector by Wordnet Dictionary


    1. a virus or other agent that is used to deliver DNA to a cell

    2. a variable quantity that can be resolved into components

    3. any agent ( person or animal or microorganism ) that carries and transmits a disease

    4. mosquitos are vectors of malaria and yellow fever
      fleas are vectors of the plague
      when medical scientists talk about vectors they are usually talking about insects
    5. a straight line segment whose length is magnitude and whose orientation in space is direction

    Definition of vector by GCIDE Dictionary


    1. Vector n. [L., a bearer, carrier. fr. vehere, vectum, to carry.]
      1. Same as Radius vector.

      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.

      ☞ 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 ).