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Translingual

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Symbol

] [ (U+0020)

  1. space (used to separate words from one another).

 

Translingual

Symbol

] [ (U+3000)

  1. fullwidth (Ideographic) space;

#

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See also

Translingual

Symbol

#

  1. (computing) The hash character

Usage notes

English

Etymology

The symbol # derives from the abbreviation lb for Latin libra (pound), via the medieval convention of indicating abbreviations with an over-stroke, which in this case crossed the risers of the l and b (approximately l͞b, or lb).

Noun

Singular
#

Plural
or #s

# (plural # or #s)
  1. (food packaging, US) Pound (unit of weight)
    3# — "three pounds"
  2. (followed by a numeral: used attributively) Number
    #3 — "number three"

Related terms


.

Translingual

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Symbol

.

  1. full stop or period (used to indicate the end of a sentence).
  2. end of abbreviation
    etc. — “et cetera”
  3. In some counting systems, the decimal separator.
  4. In some counting systems, the thousands separator.
  5. (computing) a delimiter
    en.wiktionary.org — “the Internet domain name with components ‘en’, ‘wiktionary’, and ‘org’”
    document.txt — “the file with the base name ‘document’ and the extension ‘txt’”
  6. (computing, various operating systems) the current directory
    ls . — “list the contents of the current directory”
  7. (computing, various programming languages) structure access operator
    point.x — “the ‘x’ property of the ‘point’ variable”

Usage notes

In English, the symbol . has various names, used in different contexts:

  • To signify the end of a sentence: period or full stop
    • My name is John. - My name is John period (US) or My name is John full stop (UK)
  • For use as a decimal separator: point
    • 3.45 - three point four five
  • For use of a thousand separator: - (not pronounced)
    • There are 1.000 species left. - There are one thousand species left
  • In names in computing contexts (file-names, domain-names, and so on): dot
    • john.smith@example.com - john dot smith at example dot com

Synonyms

  • (decimal separator): , (in some counting systems)
  • (thousand separator): , (in some counting systems)

..

Translingual

Symbol

.

  1. (computing) the parent directory.

:

Translingual

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Symbol

:

  1. colon (used to separate numbers in a ratio).
    There is a 5:4 ratio of boys to girls in my class.

::

Translingual

Symbol

::

  1. (rare) (Used in a proportion to separate one ratio from another.)

:(

Translingual

Symbol

:(

  1. Alternative form of :-(.

Antonyms


:)

Translingual

Smiley head happy.png

Symbol

:)

  1. Alternative form of :-).

Antonyms


:-(

Translingual

Etymology

First used with the intended purpose of expressing emotion in a post by Scott Fahlman to the Carnegie Mellon University computer science general bulletin board on 19 September 1982[1].

Symbol

:-(

  1. (Internet, instant messaging) sad face.
  2. (Can we verify(+) this sense?) (Internet, instant messaging) frowning face.

Synonym


:-)

Translingual

Etymology

First used with the intended purpose of expressing emotion in a post by Scott Fahlman to the Carnegie Mellon University computer science general bulletin board on 19 September 1982[1].

Symbol

:-)

  1. a smiley face

Synonym


 :=

Translingual

Symbol

:=

  1. Indicates that the thing on the left is defined to be the thing on the right

<

Translingual

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Symbol

<

  1. Less than; used to show the number on the left has a lower value than the one on the right.
    \forall x< 3for all x less than three
    x < 3 — x is less than three

Synonyms

Antonyms

Related terms


<3

Translingual

Etymology

From its shape as a heart.

Verb

<3

  1. (emoticon) Love.

<>

Translingual

Symbol

<>

  1. unequal

Usage notes

  • Used especially in plaintext, wherein the more usual symbol cannot be used.

Translingual

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Symbol

  1. covers. "is covered by"

>

Translingual

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Symbol

>

  1. Greater than, more than; used to show the number on the left has a greater value than the one on the right.
    \forall x>3
    for all x greater than three
    x > 3
    x is greater than three

Synonyms

Antonyms

Related terms


[

Translingual

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Symbol

[

  1. left square bracket
  2. (mathematics) In set builder notation, an inward facing bracket represents a closed endpoint of an interval (an inward facing parenthesis denotes an open endpoint).
    [a,b)=\{x\in\R\,|\,a\le x<b\},
  3. (mathematics) In ISO 31-11 notation, an inward facing bracket denotes a closed endpoint of an interval and an outward facing bracket denotes an open endpoint.
    \left[a,b\right[ = \{x\,|\, a\le x < b\}

Related terms


]

Translingual

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Symbol

]

  1. right square bracket

Related terms


_

Translingual

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Symbol

_

  1. The underscore symbol, often used in place of a space in email addresses.
    My email address is jon_smith@example.com.

{

Translingual

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Symbol

{

  1. left curly bracket

Related terms


|

See also , ׀, and ǀ

Translingual

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Symbol

|

  1. (logic) vertical bar, or pipe (used to join two statements of which not both are true.)
  2. (mathematics) Such that; having the property that.
    \lbrace x\in\mathbb{R}|x>0\rbrace
  3. (mathematics, of an expression) Evaluated at.
    x + 2 | x = 1 = 3
  4. (mathematics) absolute value, or, more generally, modulus
    |-3| = 3
    For x = (1,1), and y = (4,5), |x – y| = √([1–4]2 + [1–5]2) = 5
  5. determinant
    |A| means the determinant of the matrix A
  6. (mathematics) cardinality
    \left|\{3, 5, 7, 9\}\right| = 4
  7. (mathematics) number of connected components
    \left|S^0\right|=2
  8. (statistics) conditional probability
    Pr(X|Y) — "The probability of X given Y"

}

Translingual

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Symbol

}

  1. right curly bracket

Related terms

References

  • Notes:
  1. 1.0 1.1 ":) turns 25", 2007-09-20. Retrieved on 2007-09-20.

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