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retronym 

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Altering or adding to a prior word or term term that must be further defined in the light of later developments or technical innovation.

Example: No one called "World War One" that until there was a "World War Two" with which to contrast it. The going term during the 1914-1918 war and up to 1939 was "The Great War."
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Other employment of term retronym:

Telephone becomes "rotary-dial phone" to distinguish it from the push-button phones that became widespread in the 1970s and early 1980s (although rotary-dial phones still work if all you want to do is place a call and don't need to access features like querying a bank account balance).

Similarly, telephone also becomes "corded phone" to distinguish the traditional hard-wired telephone from those that are wireless in some way, such as cordless phones.

"Regular" coffee to distinguish it from decaffeinated coffee; some people say "caffeinated" coffee but strictly speaking this is a grammatical back-formation, not a retronym, because "to caffeinate" would mean to ADD caffeine to traditional coffee.

Note, though, that Coca-Cola is a "caffeinated" or "caffeine-containing" soft drink in its usual red-can form. Now that there is a Caffeine-Free Coca-Cola "caffeinated" could find use as a retronym for "the real thing."

"Manual" or "standard" or "stick" transmission on a car, none of which terms was necessary before automatic transmissions on cars became widespread and assumed to be the norm.

And, of course, "acoustic" guitar.
retronym by al-in-chgo March 6, 2010
Words you can keep

retronym 

Describes a word re-created to differentiate the original from newer incarnations of the same. Often preceded by "Analog", "Acoustic" or "Conventional".
snail mail, analog watch, rotary-dial telephone, or in America, "Ice Hockey".
retronym by Robert Martin December 1, 2003
Related Words

Retronym 

Creating a new term from an existing word.
Truffle Butter was retronymously renamed Kie Butter after we observed his bootyhole.
Retronym by Assholedude January 5, 2023
More from Urban Dictionary

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026

young pup 

a young person, a young adult in their late teens/early 20s.
Ah, you're just a young pup at 23!
young pup by the dog May 30, 2006
Word of the Day on August 25, 2026
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