Tuesday, 14 August 2018

How to Use Acronyms

Anyone who’s exchanged a text or perused social media has probably seen an acronym—a word made out of the first letters of each word in a phrase. But before there was LOL and OMG, there was SPQR (Senatus Populusque Romanus, “the senate and people of Rome”), radar (radio detection and ranging), and AWOL (absent without leave).

Some dictionaries insist that only an abbreviation pronounced as a word (e.g., NASA) can be called an acronym; if it’s pronounced as letters (e.g., UFO), it’s called an initialism. However, many people use acronym as a catch-all term for both types of abbreviation.

Photograph of mosaic including SPQR

Punctuation


Before you start throwing acronyms around in your writing, you have to decide whether or not you’re going to use periods. USA or U.S.A.? VIP or V.I.P.? Acronyms with periods used to be more common, but today most style guides, including The Chicago Manual of Style, prefer them without.

Some editors will use periods in geographical acronyms like P.E.I. and U.S.S.R. but leave them out of words like DNA and TV. The New York Times Manual of Style and Usage puts periods in initialisms (H.I.V.) but not acronyms (AIDS). The easiest way to resolve this issue is to pick a dictionary you like and follow its practice.

Capitalization


Some acronyms start life as all capital letters and then, after repeated use, become lowercase. For example, laser (light amplification by the stimulated emission of radiation), scuba (self-contained underwater breathing apparatus), and sonar (sound navigation and ranging) have in the past been written in all capitals, but today they’re treated as regular, lowercase words.

Illustration of early diving suit by Konrad Kyeser, 1459

Many British newspapers use all capital letters for initialisms (BBC) but only capitalize the first letter of acronyms (Gif). The New York Times Manual uses all caps for acronyms only if they’re under five letters—so they would write NATO but also Nafta. Personally, I find these rules unnecessarily complicated, and most style guides tend to agree, recommending all caps for both initialisms and acronyms. Again, consult your favourite dictionary if you’re not sure.

No matter how the acronym itself is capitalized, you never need to capitalize the words that create it (unless, of course, they’re words that normally use a capital, like the name of an organization). For example, BA is written out as bachelor’s degree, and HIV stands for human immunodeficiency virus.

  • From ages four to six, Nergüi lived almost exclusively on PB&J—Peanut Butter and Jelly sandwiches. X
  • From ages four to six, Nergüi lived almost exclusively on PB&J—peanut butter and jelly sandwiches. 
  • No stranger to fanfiction, Zodwa had yet to dip her toe in the waters of Real Person Fic, known as RPF. X
  • No stranger to fanfiction, Zodwa had yet to dip her toe in the waters of “real person fic,” known as RPF. 
  • Brian’s friends in the PFJ (the People’s Front of Judea) despised the JPF (the Judean People’s Front). 

Photo from Monty Python movie The Life of Brian

On the other hand, unconventional capitalization is often used for humour. For example, in A. A. Milne’s stories, Winnie-the-Pooh calls himself “a Bear of Very Little Brain.” If you’re capitalizing words for a specific effect—humorous or otherwise—rather than because they happen to make up an acronym, go right ahead.

  • In the swamp they were beset by Rodents of Unusual Size, a.k.a. ROUS. 
  • As punishment, the kids were forced to put away their phones and spend the rest of the road trip listening to LMM, or Lame Mom Music, which was surpassed in awfulness only by LDM, Lame Dad Music.

AM and PM


AM and PM stand for ante meridiem (Latin for “before noon”) and post meridiem (“after noon”). Chicago prefers lowercase letters with periods—6:00 a.m., 7:15 p.m.—but many people use capitals instead, usually without the periods: 6:00 AM, 7:15 PM. Often the abbreviations are written in small caps (this is easy to approximate in Word but may be tricky in other programs or on the web).

  • No fan of the early bird, Lucifer set his alarm for 11:59 a.m.

Illustration of devil waking up, from Life Magazine, March 1909

BC and AD


Historical years may be written with the abbreviations BC (before Christ) or AD (anno Domini, Latin for “in the year of the Lord”), or with the less religious BCE (before the common era) or CE (common era). These can also be written with periods, or in small caps. Note that AD goes before the year.

  • The Library of Alexandria is said to have burned down in 48 BC.
  • After seven years as regent, Hatshepsut declared herself pharaoh around 1472 BCE.
  • In AD 800, Charlemagne was crowned Holy Roman Emperor by the pope.
  • Wu Zetian (624–705 CE) was the only empress to rule China in her own right.

OK and Okay


The word OK has been with us since at least 1839, when it was apparently an abbreviation for oll korrect (a joke spelling of all correct by nineteenth-century wags). Since its early days, OK has also been written okay. Both spellings are widely accepted; just be sure you stick to one throughout your document. Ok, on the other hand, is never okay in professional writing.

  • “Ok,” said Koharu. “Now you’re gonna get it!” X
  • “OK,” said Koharu. “Now you’re gonna get it”
  • “Okay,” said Koharu. “Now you’re gonna get it”

Photo titled Splash! by Koji Takashima, 1951




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