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From Wiktionary, the free dictionary
See also: 𐍊

U+2191, ↑
UPWARDS ARROW

[U+2190]
Arrows
[U+2192]

Translingual

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Description

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An arrow pointing up.

Symbol

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  1. Up, above.
    Antonym:
  2. Northward.
  3. Indicating an increase or elevation.
    Antonym:
  4. (phonetics)
    (a) (rare) egressive airstream mechanism when used with a letter for an ingressive sound, e.g. [ʘ↑]
    (b) exhalation when used alone, [↑].
    Antonym:
  5. (number theory, computer science) exponentiation
    Synonym: ^, **
  6. (number theory) Knuth arrow
  7. (go) an evaluation of a game position, up, in combinatorial-game-theory notation: {0|*}.[1][2]
    Antonym:
  8. (computing) The up-arrow key on a computer keyboard, used for navigation and various keyboard commands.

Usage notes

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  • (go): Arrows are iconically iterated: ⇑ ≡ ↑ + ↑; ⤊ ≡ ↑ + ↑ + ↑; ⟰ ≡ ↑ + ↑ + ↑ + ↑. The evaluations ⟨↑ are equivalent to with the positions of black and white reversed.[1]

References

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  1. 1.0 1.1 Elwyn Berlekamp & David Wolfe (1994) Mathematical Go: Chilling Gets the Last Point, A. K. Peters Ltd, p. 18ff
  2. ^ Fraenkel, Aviezri S. (1978). "Review: On numbers and games, by J. H. Conway; and Surreal numbers, by D. E. Knuth" (PDF). Bull. Amer. Math. Soc. 84 (6): 1328–1336. doi:10.1090/s0002-9904-1978-14564-9, p. 1330.

Further reading

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English

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Etymology

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Borrowed from Japanese .

Symbol

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  1. (Can we verify(+) this sense?) (Japan, slang) Used to denote an unusually high intonation.

Antonyms

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Japanese

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Symbol

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  1. (slang) Used to denote an unusually high intonation.
  2. (informal) "Or more"; used after a number to indicate that someone is that age or older.
    20↑
    20+

Antonyms

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