# Appendix:Unsupported titles: Wikis

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# Wiktionary

Up to date as of January 15, 2010

### Definition from Wiktionary, a free dictionary

Due to technical restrictions, some page names are not allowed on Wiktionary. Since Wiktionary uses the term being defined as the page name, there are thus some terms that cannot have their own entry. Some of these are collected here instead. (For more information on the technical restrictions, which are in the software that Wiktionary runs on, see the MediaWiki Handbook).

## Contents

Unicode name SPACE U+0020

## Translingual

### Symbol

] [

1. separation between words (called a space).

Unicode name IDEOGRAPHIC SPACE U+3000

## Translingual

### Symbol

]　[

1. fullwidth (Ideographic) space;

# #

Unicode name NUMBER SIGN U+0023

## Translingual

### Symbol

#

1. (computing) The hash character

## 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"

# .

Unicode name FULL STOP U+002E

## Translingual

### Symbol

.

1. indicates 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.

# :

Unicode name COLON U+003A

## Translingual

### Symbol

:

1. Separates numbers in a ratio.
There is a 5:4 ratio of boys to girls in my class.
2. Separates hours, minutes, and seconds when reporting time
The train leaves at 5:40.
3. Separation of the chapter and the verse number(s) indication
John 3:14–16 (or John III:14–16)
4. Introduces a series of itmes
I have three things to pickup at the store: eggs, milk, and bread.
5. Separation of a title and the corresponding subtitle
Star Wars Episode IV: A New Hope

## English

### Symbol

:

1. Introduces a quotation
Mary gave advice to her children: a stitch in time saves nine.
Patient: Is there a doctor in here?
2. Introduces a sentence with the role of apposition with respect to the previous one
Luruns could not speak: he was drunk
3. Introduces the logical consequence, or effect, of a fact stated before
There was only one possible explanation: the train had never arrived
4. Separation of clauses in a periodic sentence

# ::

## Translingual

### Symbol

::

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

# :(

## Translingual

### Symbol

:(

1. Alternative form of :-(.

# :)

## Translingual

### Symbol

:)

1. Alternative form of :-).

# :-(

## 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.

# :-)

## 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

#### Usage notes

• Where it would otherwise precede a right parenthesis (")"), sometimes the two are combined so that only one right parenthesis is used.

# :=

## Translingual

### Symbol

:=

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

# <

Unicode name LESS-THAN SIGN U+003C

## Translingual

### Symbol

<

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

# <3

## Translingual

### Etymology

From its shape as a heart.

### Verb

<3

1. (emoticon) Love.

# <>

## Translingual

### Symbol

<>

#### Usage notes

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

# <·

## Translingual

### Symbol

1. covers. "is covered by"

Wikipedia has an article on:

Wikipedia

# >

Unicode name GREATER-THAN SIGN U+003E

## Translingual

### 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

# [

Unicode name LEFT SQUARE BRACKET U+005B

## Translingual

### 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,
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.
$\left[a,b\right[ = \{x\,|\, a\le x < b\}$

# ]

Unicode name RIGHT SQUARE BRACKET U+005D

## Translingual

### Symbol

]

1. right square bracket

# _

Unicode name LOW LINE U+005F

## Translingual

### Symbol

_

1. The underscore symbol, often used in place of a space in email addresses.

# {

Unicode name LEFT CURLY BRACKET U+007B

## Translingual

### Symbol

{

1. left curly bracket

# |

Unicode name VERTICAL LINE U+007C

## Translingual

### 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"

# }

Unicode name RIGHT CURLY BRACKET U+007D

## Translingual

### Symbol

}

1. right curly bracket