parenthesis

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/pəˈrɛnθəsɪs/
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An inserted aside, the curved mark or pair that encloses it or groups symbols, and more formally a brief interruption in the main course of events.

Examples

  • After that brief parenthesis, the argument returned to politics.
  • The war formed a harsh parenthesis between two peaceful periods.
  • In (a + b) × c, the parentheses group the first two terms.
  • The memoir treats the exile as a painful parenthesis in family life.
  • An opening parenthesis should match a closing one.

Similar words

punctuation mark
qualification
bracket
interlude
grouping mark
interval
round bracket
comment
digression
aside

Meanings

Inserted remark

noun
writing
neutral
A word, phrase, clause, or sentence added inside another passage to explain, qualify, or comment without changing the main structure.

Examples

  • The sentence includes a parenthesis after the date.
  • Her aside about the weather works as a brief parenthesis.
  • The editor removed a long parenthesis that interrupted the paragraph.
  • A parenthesis can be set off by commas when the aside is light.
  • The speaker added, in parenthesis, that the plan was still uncertain.

Similar words

Curved mark or pair

noun
punctuation
neutral
One or both of the curved marks ( ) used to enclose extra text or to group a unit in writing, mathematics, logic, or code.

Examples

  • A closing parenthesis is missing after the citation.
  • The number in parentheses shows the previous year's rank.
  • In (a + b) × c, the parentheses group the first two terms.
  • The function call uses parentheses around its arguments.
  • An opening parenthesis should match a closing one.

Similar words

Interlude or interruption

noun
literature
formal
A pause, interval, or digressive episode that briefly breaks the main course of events or thought.

Examples

  • The summer became a quiet parenthesis in a turbulent decade.
  • His comic parenthesis lightened an otherwise solemn speech.
  • The memoir treats the exile as a painful parenthesis in family life.
  • After that brief parenthesis, the argument returned to politics.
  • The war formed a harsh parenthesis between two peaceful periods.

Similar words

Etymology

From Late Latin parenthesis, from Greek parenthesis, literally “a putting in beside,” formed from roots meaning “beside,” “in,” and “to put.” English first used it for inserted words in the 1540s, and later for the curved marks used to show them.

FAQ

What does parenthesis mean?

Parenthesis can mean an inserted remark, one of the curved marks ( ), or a formal interruption in a sequence of events.

What is the plural of parenthesis?

The plural is parentheses.

Is parenthesis the same as parentheses?

No. Parenthesis is singular, while parentheses is plural and usually means the pair of marks ( ).

Can a parenthesis be set off without round brackets?

Yes. A parenthesis can be set off by commas or dashes when it is an inserted remark rather than the marks themselves.

What does in parentheses mean?

It means that information is placed inside the marks ( ), as in a date, citation, note, or grouped expression.

What is a parenthesis in mathematics?

It is one of the marks used to group part of an expression, often to show which operation should be handled first.

What is a parenthesis in programming?

It is a curved delimiter used in many languages for function calls, conditions, grouping, and other syntax.

Is parenthesis British or American?

American English commonly uses parenthesis and parentheses for the marks. British English often says bracket or round bracket.

Where does parenthesis come from?

It comes through Latin from Greek roots meaning “a putting in beside,” which fits the older sense of inserted words.

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