Word
duration
Phoneticsdu·ra·tion, stress on the first syllable
US/ˈdʊˈɹeɪʃən/
UK/djɔːɹˈeɪʃən/
Definitions
01length of time
B2 · Upper Intermediate Uncountable noun Academic
n. the length of time that something continues or lasts.
n. the period of time during which something continues to exist or occur. Uncountable in its general sense, though countable when referring to specific intervals.
日本語:間※
“The duration of the flight is about three hours from London to Rome.”
“The researchers monitored the duration of the symptoms to determine if the new medication significantly shortened the recovery period for the patients.”
Usage
Often follows 'for the' to indicate the entire length of an event.
02until the end
C1 · Advanced Uncountable noun Formal
n. the entire time until a situation, like a war or a project, is finished.
n. the full period of time until a current, often difficult, situation concludes. Usually used with the definite article.
日本語:間※
“The family moved to the countryside for the duration of the war.”
“The temporary restrictions remained in place for the duration of the emergency, only being lifted once the authorities declared the area safe.”
Usage
Commonly appears in the fixed phrase 'for the duration'.
03financial sensitivity
C2 · Proficiency Uncountable noun Finance Technical
n. a way to measure how much a bond's price changes when interest rates move.
n. a measure of the sensitivity of the price of a fixed-income investment to a change in interest rates, expressed as a number of years.
“Investors look at duration to understand the risk of their bond portfolio.”
“As interest rates began to climb, the fund manager reduced the portfolio's duration to protect the capital from significant price declines.”
Usage
Used as a technical metric in investment banking and portfolio management.
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “duration” in context.
Adjective
01. limited duration
“The exhibition is of limited duration, so you should visit before it closes next week.”
adj + noun
Real-World Examples
“However, current versions are limited in offering precise control over the timing and duration of gene expression.” “Typically, the rulers agreed to supply a certain number of troops for a set amount of money that would keep flowing for the duration of the war, plus another one or two years.” Etymology
From Middle English duracioun, from late Old French duracion, from Medieval Latin dūrātiō.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
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QR code
englishreference.com/q/duration
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0