It seems "TV" is always preferred when used as an abbreviation for "television" in informal writing, but is "tv" ever acceptable? (The capitalization seems to me to place undue emphasis on it.)


Upper case has the advantage of making it clear that the letters are an abbreviation rather than some kind of weird word. And it isn’t just TV. Upper case is often used for other abbreviations, even when upper case is not necessarily used for the full form. For example,

CD (compact disc)

DVD (digital versatile disc)

SIM (subscriber information module)

ATM (automatic teller machine)

ENT (ear, nose and throat)

GDP (gross domestic product)

RPM (revolutions per minute)

BIOS (basic input output system)

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    Although RPM is often written rpm, and some style guides render pronounced words as Bios, or sim for everyday words. – Hugo Feb 22 '13 at 10:37
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    @Hugo rpm though is following a common use of lower-case abbreviations for per and minute, and a more general common use of lower-case abbreviations for units of measure. – Jon Hanna Feb 22 '13 at 10:42
  • Barrie England ... And thanks for your superb answer. – John M. Landsberg Feb 23 '13 at 9:13
  • Every example listed above is multiple words, one letter abbreviated per word. Television is different. Why is it TV and not Tv? Are there examples that correlate to a single word abbreviated with multiple letters? – A.K. Jan 2 at 17:54

Lower case initialisms are found, but capitalising is by far the more usual. Lower-case tends to either be because it relates to a case where there are standardised lowercase abbreviations (kmph, km/hr & mph) or when the initialism moves toward being perceived as a word rather than its origin as an initialism (LASER and SCUBA becoming laser and scuba and even having back-formations like lase).

Using an unusual form like tv would give it too much emphasis to my mind.

The form teevee I personally dislike, but it is found and there's no technical reason to object. That said, it's been in use since at least the 1950s but nowhere near as much as TV, so it doesn't seem like it's ever going to be anything other than rare.


"TV" is an initialism — an abbreviation in which we say the name of each letter. Although there are some exceptions, initialisms are usually written in upper case. This helps the reader understand that it is an initialism.


TV (caps) does give more importance than intended. I do understand the initialism, but argue that this is a word in transition and would apply the same principles as with a hyphen. Example: weekend began life as week's end, then week-end, and finally weekend, one word. The use of TV is not actually a initialism -- it does not stand for distinct words, as does RCMP or FBI or government departments; of FIMA; or any number of others. The original word is television (no caps); and no initials are even implied. It is a short cut used in the vernacular that by now should have devolved into 'tv', since that is the sense in which we use it. If the writing is formal, the term is television. Informal use begs for 'tv'.


I think 'tv' in lowercase would be acceptable in informal writing, because we say it all the time and people would know what it is. Capitalising it seems to give it some kind of title, which it does not have, and as you say, places undue emphasis on it. It would only have a capital T if that was the start of a sentence, as in 'Tv is boring today."

  • Thanks, Amanda. This is helpful. You will see in style books that "TV" is pretty much standard usage, yet I'm not entirely comfortable with it, and I appreciate your support on the matter. – John M. Landsberg Feb 22 '13 at 8:10
  • Capitals should only be used for proper titles, and while 'tv' is an abbreviation, I use it in lowercase in informal writing and put the full 'television' for formal writing. – amanda witt Feb 22 '13 at 8:15
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    To me, the capital "T" in "Tv is boring today." looks really weird. I would only use "tv" if I didn't capitalize the start of a sentence. (E.g. in informal internet communication.) – Pitarou Feb 22 '13 at 9:31

While I have wondered this question for a long time, I sometimes see in books "tv" instead of TV. I have also sometimes seen this: "T.V." and I have no idea why. But most likely you would want to put TV if you are writing something. I feel like you wont get criticized for putting "tv", but if you still dont know what is the correct way why dont you just write television. That is what "TV" stands for anyway ;)

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