Abbreviation - Wikipedia
https://en.wikipedia.org/wiki/AbbreviationAn abbreviation is a shortening by any of these or other methods. Contents 1 Different types of abbreviation 2 History 3 Style conventions in English 3.1 Lowercase letters 3.2 Periods (full stops) and spaces 3.3 Plural forms 3.4 Conventions followed by publications and newspapers 3.4.1 United States 3.4.2 United Kingdom