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ENGLISH · A WORD WITH POSSIBILITIES

vector.

A directed quantity, one with both magnitude and direction; the signed difference between two points.

6 characters2 syllables approx.English language

Meaning & usage

noun/ˈvɛktə/UK/ˈvɛktɚ/US
  1. 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.
  2. A directed quantity, one with both magnitude and direction; the signed difference between two points. 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.
  3. A directed quantity, one with both magnitude and direction; the signed difference between two points. 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.
  4. A directed quantity, one with both magnitude and direction; the signed difference between two points. A chosen course or direction for motion, as of an aircraft.

  5. A kind of dynamically resizable array.

  6. A kind of dynamically resizable array. 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.

  7. A kind of dynamically resizable array. A graphical representation using outlines; vector graphics.

    attributive
    a vector image, vector graphics
  8. A carrier of a disease-causing agent. A DNA molecule used to carry genetic information from one organism into another.

  9. A carrier of a disease-causing agent. A person or entity that passes along an urban legend or other meme.

  10. A carrier of a disease-causing agent. A recurring psychosocial issue that stimulates growth and development in the personality.

  11. Forces, developments, phenomena, processes, systems, etc. which influence the trajectory of history (e.g. imperialism)

Where this word comes from

Etymology tree Proto-Indo-European *weǵʰ- Proto-Indo-European *wéǵʰeti Proto-Italic *weɣō Latin vehō Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin vectorlbor. English vector 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.

verb/ˈvɛktə/UK/ˈvɛktɚ/US
  1. To set (particularly an aircraft) on a course toward a selected point.

  2. To redirect to a vector, or code entry point.

Where this word comes from

Etymology tree Proto-Indo-European *weǵʰ- Proto-Indo-European *wéǵʰeti Proto-Italic *weɣō Latin vehō Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin vectorlbor. English vector 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.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.