× - Wiktionary, the free dictionary (original) (raw)

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From Wiktionary, the free dictionary

Use as a multiplication sign is usually attributed to English mathematician William Oughtred.

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  1. (arithmetic) Multiplication.
    7 × 8 = 56
  2. (set theory, category theory) Cartesian product, categorical product.
    {1,2} × {3,4} = {(1,3),(1,4),(2,3),(2,4)}
  3. (linear algebra) Vector product, cross product.
    (1,2,5) × (3,4,−1) = (−22, 16, −2)
  4. (taxonomy) Used in various ways to indicate hybridization between two or more different taxa.
    Crocosmia × crocosmiiflora
    Ursus maritimus × Ursus arctos
    • 2012 July 19, “Rubus Diversity and Obscurity…Batology!”, in The Fruit Nut‎[1] (in English):
      Another Rubus character of particular interest is R. ursinus × idaeus, or boysenberry. This is a complex hybrid which came about as a cross between European raspberry (R. idaeus), common blackberry (R. fruticosus), and loganberry (Rubus × loganobaccus). The hyrbid was originally developed during the late 1920’s in California by a farmer named Rudolph Boysen.
  5. (music, fashion, etc.) Used to denote collaboration in the design, execution or branding of a piece.
  6. Used to denote the geometric dimensions of an object.
    The dimensions of the box are 60 cm × 60 cm × 52 cm.
  7. Times. (Often written x.)
    2× as much soap as a regular bottle!
    • 2011, Dmitry Telnov, Biodiversity, Biogeography and Nature Conservation in Wallacea and New Guinea: Volume 1 (in German), →ISBN, page 204:
      Apikalglied nicht besonders lang, beim Männchen etwa doppelt so lang wie das vorletzte Glied. [...] Beine lang und schlank. Das Basalglied der Hintertarsen 1,3× so lang wie die restlichen Glieder zusammen.
      (please add an English translation of this quotation)

For quotations using this term, see Citations:×.

×

  1. Used to refer to something not specified. Usually read as (mǒu).
    ×wáng mǒu ― Mr./Ms. Wang; someone surnamed Wang
  2. Used to replace offensive characters. Usually read as (chā).
    ×shǎ chā ― stupid [censored]

×

  1. the multiplication sign, read per
  2. a symbol sometimes used to stand for the preposition per

×(ばつ) or ×(バツ) (batsu)

  1. incorrect answer

×(ペケ) (peke)

  1. impossibility, futility

×

  1. multiplication sign, usually read as умно́жить (umnóžitʹ).

×

  1. A rarely used punctuation mark like semicolon (;).
    ꠎꠦꠁꠝꠔꠦ ꠡꠣꠘ꠆ꠍꠤꠟ ꠖꠘ ꠡꠦꠁ ꠝꠔꠦ ꠙꠣꠄ ×
    zeimote, śansilo, don, śei, mɔte, fae;
    the way, save, savings, that, way, get;

×

  1. multiplication sign
    7 × 8 = 56

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