Period (.)

Periods are used:
  • to mark the end of a sentence that is a complete statement:
My name’s Beth and I was 18 in July.
After leaving school, she went to work in an insurance company.
 
  • to mark the end of a group of words that don’t form a conventional sentence, so as to emphasize a statement:
I keep reliving that moment. Over and over again.
 
  • after some abbreviations—for example, etc., Dec., or p.m.:
The luncheon will be held on Thursday, Sept. 15, at the Waterfront Restaurant.
There’s a wide range of sandwiches, pies, cakes, etc., at very reasonable prices.
 
  • in website and e-mail addresses:
www.oup.com
 
If an abbreviation with a period comes at the end of a sentence you don’t need to add another period:
 
Bring your own pens, pencils, rulers, etc.
 
See more advice about how to write abbreviations.

 

 


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Grammar and usage