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1.05 Capital letters and hyphens

In general, an abbreviation is capitalized or hyphenated if the unabbreviated word or words are so treated:

  • Lt.-Gov.
    • Lieutenant-Governor
  • MLA
    • Member of the Legislative Assembly
  • UBC
    • University of British Columbia

When an abbreviation is formed from letters most or all of which are part of a single word, it is capitalized, even though the full term is not:

  • ACTH
    • adrenocorticotrophic hormone
  • DNA
    • deoxyribonucleic acid
  • ESP
    • extrasensory perception
  • TV
    • television

See 1.16 Acronyms and initialisms for rules governing the capitalization of acronyms and initialisms.