For example in the following list: "Technology Entrepreneurship, and Advanced Leadership" simplified to "Tech Entrepreneurship, and Adv. Leadership"

  • 1
    Your question is a little unclear. Are you asking if abbreviations require periods? Or if the need for periods in abbreviations is obviated by inclusion in a sentence? Or if the period at the end of a sentence is needed?
    – Cascabel
    Jun 7 '17 at 18:01
  • 1
    Not a dupe, but the answer is probably in here.
    – Cascabel
    Jun 7 '17 at 18:02
  • @Clare Yes, I've consulted public.oed.com/how-to-use-the-oed/abbreviations where it outlines the common abbrev. methods. I agree that it's a matter of style/choice.
    – tekiwibird
    Jun 8 '17 at 21:31
  • It's not improper but it's increasingly old-fashioned and bordering on archaic. I remember being taught 50 years ago that commas and stops were pretty-much out of fashion in addresses and going the same way in abbreviations… most obviously, for instance, in Mr. or Mrs. and thus also in Adv., etc? Jul 18 '17 at 23:03
  • As Robbie suggests, 50 years ago the period/full stop would almost certainly be used. But since then this character had been dropped in more and more cases. (At least try to be consistent, if you don't have a style guide to follow.)
    – Hot Licks
    Sep 7 '17 at 2:28

The answer is a matter of style/choice outlined by Clare in the question's comments.

I used the following style guide: http://public.oed.com/how-to-use-the-oed/abbreviations/

  • You have misunderstood what that page is for. "This list contains the most common abbreviations used in the OED." It is not a guide on how to abbreviate words in sentences, but what the Oxford English Dictionary uses in its definitions. Because dictionaries use the same terminology over and over again, they have/had a need to reduce the amount of text, originally because dictionaries were published on paper, thereby saving on paper and ink costs.
    – CJ Dennis
    Aug 6 '18 at 0:14

The Oxford Dictionaries' page "Punctuation in abbreviations", which catalogues British and American styles, says:

If the abbreviation consists only of the first part of a word, then you should put a period at the end:

  • Wed. (= Wednesday)

  • Dec. (= December)

Unless you are working to a style guide with different rules, this is the rule you should follow, since the rule is the same in both British and American English, and Adv is clearly the first part of Advanced.

Adv. (with a full stop) is the correct way to punctuate this abbreviation.

In your specific example (which looks like a title, a headline or a heading to me),

Technology Entrepreneurship, and Advanced Leadership


Tech. Entrepreneurship, and Adv. Leadership

with a full stop at the end of each abbreviation.

  • If you are following a different style guide that says to not put a full stop after the abbreviation, then you would write it like so:

    Tech Entrepreneurship, and Adv Leadership

In your original example, you mixed styles. Whatever style you are following you should apply consistently.

If it is indeed a title, a headline or a heading, it doesn't get a full stop at the end, however, if you were to include it in a sentence, it would:

The talk called Tech. Entrepreneurship, and Adv. Leadership was attended by 200 people.

This should only be done for reasons of space; normally you would not abbreviate these words in a full sentence.

Note: some abbreviations such as ad for advertisement have become naturalised, so should not be spelt with a full stop.

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