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Synonyms

dosage

American  
[doh-sij] / ˈdoʊ sɪdʒ /

noun

  1. the administration of medicine in doses.

  2. the amount of medicine to be given.

  3. Physics. dose.

  4. the process of adding a sugar solution to champagne and other sparkling wines before final corking.

dosage British  
/ ˈdəʊsɪdʒ /

noun

  1. the administration of a drug or agent in prescribed amounts and at prescribed intervals

  2. the optimum therapeutic dose and optimum interval between doses

  3. another name for dose dose

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dosage

First recorded in 1840–50; dose + -age

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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.

From BBC • Mar. 5, 2026

For patients who are paying for prescriptions outside insurance, Novo Nordisk slashed cash prices to a range of $149 to $499 a month depending on the drug and dosage.

From The Wall Street Journal • Feb. 24, 2026

‘States like Rhode Island have implemented regulatory structures for 7-OH requiring dosage standards, accurate labeling, testing and age restrictions,’ writes an L.A.

From Los Angeles Times • Jan. 22, 2026

Some adherents advise parents that the disturbing effects indicate that the treatment is working, ridding the body of impurities, or that the parents should alter the dosage.

From Salon • Dec. 15, 2025

Dr. Purow has a question about the Leucovorin dosage.

From "Drums, Girls, and Dangerous Pie" by Jordan Sonnenblick

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.