Word
dosage
US/ˈdoʊsədʒ/
UK/dˈəʊsɪdʒ/
Definitions
01medical amount and frequency
B2 · Upper Intermediate Countable noun Medicine
n. the amount of medicine you take, including how often and for how long you take it.
n. the prescribed amount of a therapeutic agent, including the frequency and duration of administration.
“The doctor increased the dosage of her heart medicine to twice a day.”
“The clinical trial aimed to determine the optimal dosage that would maximise efficacy while minimising adverse side effects in elderly patients.”
Usage
Often used with 'increase', 'decrease', or 'adjust'.
Pitfall
The doctor gave me a high dosage of pills.
The doctor gave me a high dose of pills.
Use 'dose' for a single quantity of medicine; use 'dosage' for the overall plan or frequency of taking it.
Synonyms
02adding a substance
C1 · Advanced Uncountable noun Science Technical
n. the act of adding a small, measured amount of something to a liquid or mixture.
n. the addition of a specific, measured quantity of a substance to a larger volume, often in industrial or chemical processes.
“The winemaker carefully checked the sugar dosage before bottling the wine.”
“Precise dosage of chlorine is essential in water treatment facilities to ensure safety without affecting the taste of the supply.”
Usage
Common in chemistry and food science contexts.
Real-World Examples
“Melanie Stearns, assistant professor at the University of South Florida, notes that the dosage of L-theanine tested in studies has often been greater than the amount included in food.” Etymology
From French dosage.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
NOUN
Related words
- 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
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
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