( )

Punctuation mark

 * Go get the dog(s) - Here, s is a shorthand for the plural dogs.
 * You should (re)write that story. - Here, re is an optional prefix re-.
 * Blue is my favo(u)rite colo(u)r. - Here, u is an alternative spelling (color/colour).
 * (1) New York, (2) London, (3) Paris.
 * (A) New York, (B) London, (C) Paris.
 * Go get the dog(s) - Here, s is a shorthand for the plural dogs.
 * You should (re)write that story. - Here, re is an optional prefix re-.
 * Blue is my favo(u)rite colo(u)r. - Here, u is an alternative spelling (color/colour).
 * (1) New York, (2) London, (3) Paris.
 * (A) New York, (B) London, (C) Paris.
 * (1) New York, (2) London, (3) Paris.
 * (A) New York, (B) London, (C) Paris.
 * (1) New York, (2) London, (3) Paris.
 * (A) New York, (B) London, (C) Paris.
 * (1) New York, (2) London, (3) Paris.
 * (A) New York, (B) London, (C) Paris.

Usage notes
Some style guides prescribe square brackets $⟨⟩$ for parenthetical information within parentheses.

Synonyms

 * — —

Derived terms

 * used when omitting a section in quoted text
 * (sic) used to indicate text quoted as-is from the source

Symbol

 * 20 / 2 + 8 = 10 + 8 = 18
 * 20 / (2 + 8) = 20 / 10 = 2
 * (54,24)=6
 * (x,y)
 *  — \2 matches the 2nd subexpression
 * 1)  Encloses a repeated unit in a polymer.
 * glutaraldehyde = CH2(CH2CHO)2
 * 1)  Indicates that a number is negative in place of a minus sign.
 * (20)
 * 1)  Encloses a repeated unit in a polymer.
 * glutaraldehyde = CH2(CH2CHO)2
 * 1)  Indicates that a number is negative in place of a minus sign.
 * (20)
 * 1)  Encloses a repeated unit in a polymer.
 * glutaraldehyde = CH2(CH2CHO)2
 * 1)  Indicates that a number is negative in place of a minus sign.
 * (20)
 * 1)  Encloses a repeated unit in a polymer.
 * glutaraldehyde = CH2(CH2CHO)2
 * 1)  Indicates that a number is negative in place of a minus sign.
 * (20)

Alternative forms

 * single left parentheses

Alternative forms

 * single left parentheses or none