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See also: ◌̇, ‧ [U+2027 HYPHENATION POINT], ∙ [U+2219 BULLET OPERATOR], ⋅ [U+22C5 DOT OPERATOR], • [U+2022 BULLET], ꞏ [U+A78F LATIN LETTER SINOLOGICAL DOT], ・ [U+30FB KATAKANA MIDDLE DOT], ･ [U+FF65 HALFWIDTH KATAKANA MIDDLE DOT], ⸳ [U+2E33 RAISED DOT], and ⸱ [U+2E31 WORD SEPARATOR MIDDLE DOT]
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Translingual
[edit]Glyph origin
[edit]Use as a multiplication or product operator is usually attributed to German polymath Gottfried Wilhelm Leibniz.
Symbol
[edit]·
- (mathematics) The product operator.
- (in a few countries, such as the UK) A decimal point.
- 3·14, £1,234·99
- (mathematics, vectors) The dot product operator.
- (1,2,5) · (3,4,−1) = 6
- (mathematics) Indicates what elements can vary.
- If we have f(x,y) we can analyze the properties of f(·,y) which is a function of x found by fixing a particular y.
- (chemistry) Indicates addition compounds.
- BF3·NH3
- (music) A pointing mark in Anglican chant, which indicates nonstandard places in the text where the chant should change note.
- See ・ for the middle dot used in Japanese katakana.
- See ‧ for the hyphenation point.
Usage notes
[edit]- (decimal point): Many Britons employ the American decimal point ⟨.⟩ owing to a general lack of support for the middot character on computers. It remains common in writing done by hand.
- (addition compound): The IUPAC Recommendations for Nomenclature of Organic Chemistry[1] state: “Centre dots in formulae of (formal) addition compounds, including hydrates, adducts, clathrates, double salts and double oxides, separate the individual constituents. The dot is written in the centre of the line to distinguish it from a full stop (period).”
Synonyms
[edit]See also
[edit]- apostrophe ( ' ) ( ’ )
- curly brackets or braces (US) ( { } )
- square brackets or brackets (US) ( [ ] )
- colon ( : )
- comma ( , )
- dashes ( ‒ ) ( – ) ( — ) ( ― )
- ellipsis ( … )
- exclamation mark ( ! )
- fraction slash ( ⁄ )
- guillemets ( « » ) ( ‹ › )
- hyphen ( - ) ( ‐ )
- interpunct ( · )
- interrobang (rare) ( ‽ )
- brackets or parentheses (US, Canada) ( ( ) )
- full stop or period (US, Canada) ( . )
- question mark ( ? )
- quotation marks (formal) ( ‘ ’ ‚ ) ( “ ” „ )
- quotation marks (informal, computing) ( " ) ( ' )
- semicolon ( ; )
- slash or stroke (UK) ( / )
- space ( ] [ )
References
[edit]- ^ Nomenclature of Inorganic Chemistry – IUPAC Recommendations 2005, 2005, p. 28, http://old.iupac.org/publications/books/rbook/Red_Book_2005.pdf
English
[edit]Letter
[edit]·
- (Shavian) the 'namer dot' that optionally precedes proper names to mark them as such.
Ancient Greek
[edit]Punctuation mark
[edit]·
- The raised point, used like a semicolon.
See also
[edit]- (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
- (non-Classical letters) Ϝ ϝ, Ͷ ͷ, Ͱ ͱ, Ϻ ϻ, Ϙ ϙ, Ͳ ͳ
- (punctuation) · ;
- (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨
Catalan
[edit]Punctuation mark
[edit]· (·)
- middot, middle dot (called punt volat (“flown dot”) in Catalan, and found in the combination l·l to distinguish it from the digraph ll. It was once used for elision, especially in poetry.)
Usage notes
[edit]- In modern orthography, the middot is only used in the sequence l·l. Unicode has the dedicated characters ŀ and Ŀ.
- In text messages or emails sometimes replaced with a full stop, ⟨.⟩.
Chinese
[edit]Punctuation mark
[edit]·
- Separates first and last names in personal names transcribed into Chinese characters.
- Separates the title of a literary work or collection from the title of a section.
- Separates the name of a fixed melody or format from the title of a poem or song.
- Separates items in a list in titles.
- Separates the month from the day in events, commemorations, etc. named after dates, only used after January (一 (yī)), November (一一 (yīyī)) and December (一二 (yī'èr)) when hanzi are used.
Usage notes
[edit]- Rarely used in general. Is used similarly to the Japanese symbol ・.
French
[edit]Punctuation mark
[edit]·
- (neologism, often proscribed) Used in certain forms of gender-neutral writing either before or around the feminine suffix, to avoid both the use of the masculine as the default form and the verbosity of writing out both the masculine and feminine forms.
- étudiant·es ― étudiantes et étudiants ― female students and male students
- étudiant·e·s ― étudiantes et étudiants ― female students and male students
Usage notes
[edit]- Another way to write such forms in gender-neutral writing is to give both the masculine and feminine forms connected by et, the form that goes first being determined by alphabetical order.
- French-language authorities, such as the Académie française, usually strongly proscribe the practice.
Garo
[edit]Letter
[edit]·
- the raka
Greek
[edit]Punctuation mark
[edit]·
- (grammar) raised point (άνω τελεία (áno teleía)) or Greek semicolon ( ; ))
Usage notes
[edit]- · can be uniquely represented by the Unicode character U+0387 GREEK ANO TELEIA.
- In many places, including on Wiktionary, U+0387 is automatically converted to · (U+00B7 MIDDLE DOT). This is because U+0387 is converted to U+00B7 by all Unicode normalizations.
- In some fonts, · (U+0387) is positioned higher than · (U+00B7), similarly to the top point of a colon (:) or semicolon (;).
See also
[edit]Latin
[edit]Punctuation mark
[edit]·
- Alternative form of ⸱, the word divider.
- (numismatics) Alternative form of 𐆑, the uncia, found on coins
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