Ø (disambiguation)

(Redirected from ∅ (disambiguation))

Ø (and ø) is a Scandinavian vowel letter.

The letter Ø or the symbol (a circle crossed by a diagonal slash) etc. may also refer to:

Language

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Science, technology and engineering

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  • Slashed zero (0̸), a representation of the number 0 (zero) to distinguish it from the letter O
  • Slashed letter 'O' (O̸), a representation of the letter O to distinguish it from the number 0 (zero)
  • The symbol for diameter (⌀), U+2300 in Unicode
  • A symbol to represent a phenyl group
  • Empty set (  or ∅ as a character) in mathematical set theory, U+2205 in Unicode

Other uses

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Similar symbols

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Circle with a diagonal slash

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  • Circled division slash (⊘), U+2298 in Unicode
  • No entry sign (🚫), U+1F6AB in Unicode

Circle crossed by a vertical bar

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Circle with a vertical bar

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  • Yah (ⵀ), a Tifinagh letter, corresponding to "h" or "b"

Circle with a horizontal bar

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  • Voiceless dental fricative (IPA: θ)
  • Theta (Θ and θ), a Greek letter, corresponding to "th"
  • Theta nigrum (ꝋ) for "obiit" ="died"
  • Fita (Ѳ and ѳ), an Old Cyrillic letter, corresponding to "f" and transliterating Greek theta
  • Oe (Cyrillic) (Ө and ө), Cyrillic barred O, representing an open-mid front rounded vowel in some Turkic and Mongolic languages
  • Yab (ⴱ), a Tifinagh letter, corresponding to "b"
  • Load line mark (⦵), showing the maximum draft of a ship
  • Standard state (⦵), in chemistry

See also

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