parenthesis

Meaning

  1. (countable, uncountable) A clause, phrase or word which is inserted (usually for explanation or amplification) into a passage which is already grammatically complete, and usually marked off with brackets, commas or dashes.
  2. (countable, uncountable) Either of a pair of brackets, especially (mainly US) round brackets, ( and ) (used to enclose parenthetical material in a text).
  3. (countable, rhetoric, uncountable) A digression; the use of such digressions.
  4. (countable, uncountable) Such brackets as used to clarify expressions by grouping those terms affected by a common operator, or to enclose the components of a vector or the elements of a matrix.

Pronounced as (IPA)
/pəˈɹɛnθəsɪs/
Etymology

Learned borrowing from Late Latin parenthesis (“addition of a letter to a syllable in a word”), itself borrowed from Ancient Greek παρένθεσις (parénthesis, “insertion”).

Notes

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