equivalency
C1Formal, Technical, Academic
Definition
Meaning
the condition of being equivalent, equal in value, function, or meaning.
In specific contexts (e.g., education), it often refers to a qualification or course recognized as being equal in standard to another, such as a high school equivalency certificate.
Linguistics
Semantic Notes
"Equivalency" is often used interchangeably with "equivalence." However, in modern usage, "equivalency" is more commonly found in administrative, educational, and technical contexts where it implies a formal, often officially certified, state of being equivalent. "Equivalence" is generally the preferred, more neutral term in philosophy, mathematics, and general discourse.
Dialectal Variation
British vs American Usage
Differences
Both terms are understood. "Equivalence" is the dominant term in UK English across most contexts. "Equivalency" is more frequently used in American English, particularly in educational and bureaucratic language (e.g., 'high school equivalency').
Connotations
In the UK, 'equivalency' can sometimes sound like an unnecessary or bureaucratic variant. In the US, it is a standard, unmarked term in specific domains.
Frequency
The Ngram Viewer shows "equivalence" is significantly more frequent than "equivalency" in both corpora, but the gap is narrower in American English.
Vocabulary
Collocations
Grammar
Valency Patterns
equivalency between X and Yequivalency of X to Yequivalency in (a field, e.g., status)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[None directly associated; the word itself is formal]”
Usage
Context Usage
Business
Used in mergers, partnerships, or trade to discuss the equivalency of standards, qualifications, or financial instruments.
Academic
Common in discussing degree recognition, transfer credits, and comparative studies (e.g., 'The equivalency of the two research methodologies was debated.')
Everyday
Rare in casual conversation. Might be heard in contexts like immigration or job applications regarding qualifications.
Technical
Used in sciences, engineering, and computing to denote functional or measurable equality (e.g., 'The logical equivalency of the two circuits.').
Examples
By Part of Speech
verb
British English
- The university will only equivalate qualifications from accredited institutions. (Note: 'equivalate' is rare, 'establish equivalence for' is preferred)
American English
- The agency is working to equivalize the foreign diplomas. (Note: 'equivalize' is very rare and non-standard; 'evaluate for equivalence' is standard)
adverb
British English
- [No standard adverbial form derived directly from 'equivalency']
American English
- [No standard adverbial form derived directly from 'equivalency']
adjective
British English
- The equivalency assessment took several weeks.
American English
- She obtained her high school equivalency diploma through a state program.
Examples
By CEFR Level
- The two certificates have the same value; there is an equivalency between them.
- Before applying, you must get official confirmation of the academic equivalency of your degree.
Learning
Memory Aids
Mnemonic
Think of a balance scale with 'VAL' in the middle. EQUI-VAL-ency means the state (-ency) of equal (equi) value (val).
Conceptual Metaphor
BALANCE (a state of equilibrium), EXCHANGE (items of equal value can be traded), MAP (one thing corresponds directly to another).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с "эквивалентом" (equivalent, noun). "Equivalency" — это свойство, состояние, а не сам предмет. Правильный перевод концепта — "эквивалентность".
- В русском "эквиваленция" не используется; это ложный друг переводчика.
Common Mistakes
- Using 'equivalency' as a countable noun for the actual object (e.g., 'This diploma is an equivalency' – prefer 'equivalent' or 'equivalency certificate').
- Overusing 'equivalency' in general contexts where 'equivalence' is stylistically better.
- Misspelling as 'equivalance' or 'equivelency'.
Practice
Quiz
In which context is the use of 'equivalency' MOST appropriate and common?
FAQ
Frequently Asked Questions
While often used interchangeably, 'equivalence' is the broader, more general term for the state of being equal. 'Equivalency' tends to be used in more formal, administrative, or official contexts, particularly in American English, to denote a certified or formally recognised equality (e.g., educational equivalency). In most philosophical, scientific, or general writing, 'equivalence' is preferred.
Yes, 'equivalency' is a standard English word with a long history, dating back to the 16th century. It is fully accepted in dictionaries, though its usage is more restricted than 'equivalence'.
It is possible but uncommon. In casual speech, words like 'sameness', 'equal value', or simply 'equivalence' sound more natural. 'Equivalency' will likely make your speech sound formal or technical.
Use 'equivalent' (noun) for the *thing* that is equal to another (e.g., 'This certificate is an equivalent to a diploma'). Use 'equivalency' (noun) for the *state, condition, or property* of being equivalent (e.g., 'The equivalency of the two certificates was confirmed').