double-nickel
Very lowVery informal, slang, dated
Definition
Meaning
Informal term for the number 55, or a speed limit of 55 miles per hour.
Primarily refers to the national 55 mph speed limit that was mandated in the U.S. from 1974 to 1995; can also refer to the number 55 in sports (e.g., jersey numbers) or as slang for a person's age.
Linguistics
Semantic Notes
The term is highly context-dependent and culturally specific to the United States. Its usage is almost entirely tied to the historical 55 mph speed limit era and is now considered somewhat dated. It is not used in formal measurement or mathematics.
Dialectal Variation
British vs American Usage
Differences
This term is almost exclusively American. It would not be understood in British English without explanation, as the UK does not use miles per hour as its primary speed unit and never had an equivalent 55 mph law.
Connotations
In American English, it can evoke nostalgia, humor, or reference to the 1970s/80s era of fuel conservation and highway patrol. In British English, it has no established connotations.
Frequency
Extremely rare in British English; low and declining in American English, mostly used by older generations or in historical/cultural references.
Vocabulary
Collocations
Grammar
Valency Patterns
[Verb] + the + double-nickel (e.g., hit, do)[Preposition] + double-nickel (e.g., at, over)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Doing the double-nickel (driving at 55 mph)”
- “Pushing past the double-nickel (exceeding the speed limit)”
Usage
Context Usage
Business
Virtually never used.
Academic
Only in historical or cultural studies of US transportation policy.
Everyday
Rare, used humorously or nostalgically among older Americans when discussing driving or speed.
Technical
Not used in engineering, law, or traffic science; the precise term is '55 mph'.
Examples
By Part of Speech
verb
British English
- Not applicable.
American English
- We'll have to double-nickel it on this stretch of interstate.
- Truckers hated double-nickeling across Texas.
adverb
British English
- Not applicable.
American English
- We were driving double-nickel the whole way.
- The law required us to go double-nickel.
adjective
British English
- Not applicable.
American English
- That's a double-nickel zone ahead, so slow down.
- He drove his old double-nickel-era Cadillac.
Examples
By CEFR Level
- The sign says 55. In America, some people call this 'double-nickel'.
- My grandfather says he drove double-nickel in the 1980s.
- When the national speed limit was 55 mph, truckers often talked about 'doing the double-nickel'.
- My dad jokes about the old double-nickel days when police strictly enforced the limit.
- The phrase 'double-nickel' is a piece of Americana, harkening back to the 1974 Emergency Highway Energy Conservation Act.
- Nostalgic drivers might reminisce about cruising at a steady double-nickel to save fuel during the oil crisis.
- While 'double-nickel' persists in the lexicon of older Americans, its relevance has faded since the repeal of the National Maximum Speed Law in 1995.
- The term serves as a cultural metonym for an era of federal intervention in response to the OPEC embargo.
Learning
Memory Aids
Mnemonic
Think of two US nickels (5-cent coins) side by side: 5 and 5 make 55.
Conceptual Metaphor
MONEY FOR MEASUREMENT (Using coin denomination to represent a number).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate literally as 'двойной никель'—this is nonsense. The concept is alien. Use '55 миль в час' or explain the historical US speed limit.
- Avoid associating it with modern Russian speed limits (e.g., 60 км/ч or 90 км/ч).
Common Mistakes
- Using it to mean 50 (confusion with 'nickel' as 5 cents, but 'double' implies 5+5).
- Applying it to contexts outside US highways or the number 55.
- Using it in formal or international contexts where it is unknown.
Practice
Quiz
In which context is 'double-nickel' primarily used?
FAQ
Frequently Asked Questions
It's informal American slang for the number 55, most famously referring to the 55 miles per hour national speed limit in the US from 1974 to 1995.
No, it is not used or understood in British English. The UK uses km/h and never had an equivalent law or cultural reference.
A US nickel coin has a value of 5 cents. 'Double-nickel' metaphorically represents two nickels, i.e., 5 and 5, making 55.
No, its usage has declined significantly since the national 55 mph law was repealed. It is now considered dated slang, used mostly for nostalgic or humorous effect by older generations.