Semicolon

A semicolon is a punctuation mark. It is used to join two sentences slightly more closely than they would be joined if separated by a full stop. The semicolon is also used as a sort of "senior comma" to make meaning clear in a sentence where commas are already being used for other purposes.

Examples:

I am alone; my wife had to leave.

I traveled to London, England; Tijuana, Mexico; and Reykjavik, Iceland.

Lisa scored 2,845,770 points; Marcia, 2,312,860; and Jeff, 1,726,640.

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In computer programming, the semicolon corresponds to Unicode and ASCII character 59, or 0x003B.