{ } (English symbol name curly brackets or braces )

( mathematics ) Encloses a mathematical phrase which has increased operator precedence.
Synonyms: ( ) , [ ]
10/2+3 = 5+3 = 8
10/{ 2+3} = 10/5 = 2
( mathematics ) Indicates the fractional part .
{3.14} = 0.14
( set theory ) Encloses a set.
Set of positive divisors of 6 = { 1, 2, 3} .
The set of even numbers can be written as { n ∊ ℤ : ∃ k ∊ ℤ: n = 2k } .
( set theory ) Empty set.
Set of natural numbers between 2 and 3 = { } .
Alternative form: {}
Synonym: ∅
( programming ) Used in some programming languages , especially C-type languages.
Encloses the body of a function .
`doSomethingTwice () `{ return doSomething () + doSomething () }

Encloses each branch of a conditional .
`if (x>4) `{ result = "congratulations!" }

{ }

Encloses a series of equal choices .
Select your animal { goat, sheep, cow, horse} and follow me.
( phonology ) Encloses morphophonemic transcription; especially when presented as sets of phonemes rather than as single symbols for archiphonemes .
Synonyms: ⫽ ⫽ , | | , ‖ ‖
Coordinate terms: / / , [ ] , ⟨ ⟩ , ⸢ ⸣ , ! ! , \ \
We can write la{ t,d} er for the conflated pronunciation of ladder and latter in American English. This may instead be written ⫽laDer⫽, where ⫽D⫽ is the archiphoneme { t, d} , or with both conventions for { laDer} .
( phonetics ) Sets off VoQS notation.
( papyrology, epigraphy ) Encloses writing by the original scribe that the editor considers erroneous.