×

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

• In English, the × symbol is usually read as times, but also as x (/ˈɛks/), timesed by, multiplied by or simply by (as in 4×4 or 2×4).
• The collaboration sense uses to be read as the name of the letter x in the embedding language.
• The biological hybrid sense likewise can be expressed as the name of the letter x, in English, as well as cross, by, a preceding hybrid species, silence, and by other solutions.
• The sense "times", as in 2× as much soap, can be pronounced times or x.

×

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

5. (music, fashion, etc.) Used to denote collaboration in the design, execution or branding of a piece.

   Russ Millions × Tion Wayne

   BAPE × Stüssy

   • 2022 July 23, Gargi Harjai, “Where to buy the John Richmond × Playboy collection? Price, release date, and more explored”, in Sportskeeda‎ (in English):
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:×.

• (multiplication): ·, *, x (now considered poor typography)

• (antonym(s) of “multiplication”): ÷, /

• (vector): ·

×

1. Used to refer to something not specified. Usually read as 某 (mǒu).

   王×  ―  wáng mǒu  ―  Mr./Ms. Wang; someone surnamed Wang

2. Used to replace offensive characters. Usually read as 叉 (chā).

   傻×  ―  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) 

1. incorrect answer

×(ペケ) 

1. impossibility, futility

• ✓(チェックマーク)
• (antonym(s) of “correct answer”):, ○(まるじるし) 丸(まる)印(じるし) (marujirushi)

×

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

×

1. multiplication sign

   7 × 8 = 56

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