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Rhetoric and Composition/Semicolons
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Use
A semicolon introduces a pause greater than that of a comma but less than that of a period.
This is a semicolon: ;
To Clarify a Series Semicolons separate elements of a series when the items are long or when individual segments contain material that also must be set off by commas.
Example: She leaves a son, Mike Nach, of Arizona; a daughter, Emily Rosa, of Colorado; and a sister, Sara Evans, of Minnesota.
To Link Independent Clauses A semicolon joins two independent clauses within one a sentence without the use of a coordinating conjunction.
Example: The horse was due for an immunization; the veterinarian administered one today.
A semicolon may also be used if there is a Conjunctive adverb in the sentence.
Example: “I must go grocery shopping; however, I must pick up the dry cleaning today.”
Placement with Quotes Semicolons should always appear outside quotation marks.
Example: Marcus often says that "people should remain true to their faith"; however, he is not a man of faith.
Common Misuses
Some examples of improper use of the semicolon:
Between a subordinate clause and the rest of the sentence. Example: Unless you are coming home before your curfew; don't bother coming home.
Between an appositive and the word to which it refers. Example: My favorite animal is a parakeet; a type of bird.
To introduce a list. Example: I own these cars; a Dodge Stealth, an Acura RSX, and a Geo Storm.
Commas Colons