Abbreviations Acronyms Inicialisms Degrees Numeral expressions

Abbreviations formed by using an apostrophe to show omitted letters or numbers are

Internet slang often takes the form of initialisms: LOL, IDK, IMO, BRB. 

The rules for abbreviations are complex and can not vary. 

P. a.: per annum

Latin abbreviation A. M.: ante meridiem 

D.I.Y. means

............................ are formed using the first letter of each word in a longer phrase

DO NOT abbreviate clock time when no number is attached to the abbreviation. 

When introducing an abbreviation for the first time, place it in parentheses after the spelled–out term. 

Abbreviations formed by using the first letter of each word to form a pronounceable word are

Latin abbreviation P. M.: post meridiem 

CIA –  Central Intelligence Agency or PR –  public relations are examples of

...........................is a shortened form of a word

Abbreviations – examples: approximately

AIDS – acquired immunodeficiency syndrome or NATO – North Atlantic Treaty Organization are

Abbreviations of academic degrees are

the abbreviations BC and AD, without periods, to indicate dates. State correct position with the date

.............. are pronounced as a series of letters. NFL (National Football League), is pronounced en-eff-ell

Abbreviate months and days of the week only: