Definition from Wiktionary, a free dictionary

Contents 1 1.1 Translingual 1.1.1 Symbol 2 # 2.1 Translingual 2.1.1 Symbol 2.1.1.1 Usage notes 2.2 English 2.2.1 Etymology 2.2.1.1 Noun 2.2.1.2 Related terms 3 . 3.1 Translingual 3.1.1 Symbol 3.1.1.1 Usage notes 3.1.1.2 Synonyms 4 : 4.1 Translingual 4.1.1 Symbol 5 :: 5.1 Translingual 5.1.1 Symbol 6 < 6.1 Translingual 6.1.1 Symbol 6.1.2 Synonyms 6.1.3 Antonyms 6.1.4 Related terms 7 <3 7.1 Translingual 7.1.1 Etymology 7.1.2 Verb 8 <· 8.1 Translingual 8.1.1 Symbol 9 > 9.1 Translingual 9.1.1 Symbol 9.1.2 Synonyms 9.1.3 Antonyms 9.1.4 Related terms 10 [ 10.1 Translingual 10.1.1 Symbol 10.1.2 Related terms 11 ] 11.1 Translingual 11.1.1 Symbol 11.1.2 Related terms 12 _ 12.1 Translingual 12.1.1 Symbol 13 { 13.1 Translingual 13.1.1 Symbol 13.1.2 Related terms 14 | 14.1 Translingual 14.1.1 Symbol 15 } 15.1 Translingual 15.1.1 Symbol 15.1.2 Related terms

Translingual

Wikipedia

Symbol

(space)

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

#

Wikipedia

Translingual

Symbol

#

1. (computing) The hash character

Usage notes

• In English it is called the pound sign, number sign, hash sign, or octothorpe.

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

# (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

Wikipedia

Symbol

.

1. full stop or period (used to indicate the end of a sentence).
2. In some counting systems, the decimal separator.
3. In some counting systems, the thousands separator.

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

Wikipedia

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

Wikipedia

Symbol

<

1. Less than; used to show the number on the left has a lower value than the one on the right.

   — for 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

Wikipedia

Symbol

<·

1. covers. "is covered by"

>

Translingual

Wikipedia

Symbol

>

1. Greater than, more than; used to show the number on the left has a greater value than the one on the right.

   

   for all x greater than three

   x > 3

   x is greater than three

Synonyms

• ≰

Antonyms

• ≤
• ≯

Related terms

• ≥
• ≫
• <

[

Translingual

Wikipedia

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).

   ,

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.

   

Related terms

• ]

]

Translingual

Wikipedia

Symbol

]

1. right square bracket

Related terms

• [

_

Translingual

Wikipedia

Symbol

_

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

   My email address is jon_smith@example.com.

{

Translingual

Wikipedia

Symbol

{

1. left curly bracket

Related terms

• }

|

Translingual

Symbol

|

Wikipedia

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.

   

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

   

7. (mathematics) number of connected components

   

8. (statistics) conditional probability

   Pr(X|Y) — "The probability of X given Y"

}

Translingual

Wikipedia

Symbol

}

1. right curly bracket

Related terms

• {

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