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Abbreviations
An abbreviation is the shortened form of a word or phrase.
Common Abbreviations |
Most abbreviations begin with a capital letter and end with a period, though some use no periods. Tip The following abbreviations are always acceptable in both formal and informal writing:Mr. Mrs. Ms. Dr. Jr. MD BC ECE a.m. p.m. A.M. P.M. In formal writing, do not abbreviate the names of states, countries, months, days, or units of measure. Also do not use signs or symbols (%, &) in place of words. |
Acronyms |
An acronym is a word formed from the first letter or letters of words in a phrase. Acronyms do not include periods. SADD (Students Against Destructive Decisions) |