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colon1

Pronunciation: /ˈkəʊlən/

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Definition of colon

noun

  • a punctuation mark (:) used to precede a list of items, a quotation, or an expansion or explanation.
  • a colon used in various technical and formulaic contexts, for example a statement of proportion between two numbers, or to separate hours from minutes (and minutes from seconds) in a numerical statement of time:10:1 4:30 p.m.

Origin:

mid 16th century (as a term in rhetoric denoting a section of a complex sentence, or a pause before it): via Latin from Greek kōlon 'limb, clause'

Grammar

A punctuation mark with three main uses: to introduce a list:There are two other varieties of cedarwood oil: Texas (Juniperus ashei) and Virginian (juniperus virginiana). to introduce a piece of direct speech, or a quotation:At once he said: ‘I do not mean your immediate brief journey.’ to separate two parts of a sentence where the first leads on to the second:And that is the end of the poor man’s hopes: there is no return to eligibility. See also commas, colons, and semicolons.

colon in other Oxford dictionaries

Definition of colon in the US English dictionary