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For the most up-to-date content, please consult Writing Tips Plus, which combines content from Writing Tips and The Canadian Style. And don’t forget to update your bookmarks!

Search Canada.ca
To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

capitalization: single letters used as words

Capitalize a single letter used as a word, whether or not it is attached by a hyphen to another word:

  • C Minor
  • H-bomb
  • T-shirt
  • U-turn
  • vitamin A
  • X-ray

Exception: The letter e meaning “electronic” does not take a capital when used as a prefix: e-publishing, e-book, etc.