Better writing

Acronyms

Acronyms are words formed from the initial letters of other words and pronounced as they are spelled, not as separate letters. Examples include: 

acronym
full form
Aids
acquired immune deficiency syndrome
NATO
North Atlantic Treaty Organization
UNESCO
United Nations Educational, Scientific, and Cultural Organization
SIM (card)
subscriber identification module
 

  • Most acronyms can be written as capital letters or with only an initial capital letter. 
  • Some acronyms are so established that they are now ‘normal’ words, generally used without conscious awareness of their original full form. These words should be written in lower-case letters. Examples include: 

laser
light amplification by stimulated emission of radiation
radar
radio detection and ranging
quango
quasi-autonomous non-governmental organization
scuba
self-contained underwater breathing apparatus