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intramuscular

American  
[in-truh-muhs-kyuh-ler] / ˌɪn trəˈmʌs kjə lər /

adjective

  1. located or occurring within a muscle.


intramuscular British  
/ ˌɪntrəˈmʌskjʊlə /

adjective

  1. Abbreviation (esp of an injection): IM.   i.manatomy within a muscle

    an intramuscular injection

"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

Other Word Forms

Etymology

Origin of intramuscular

First recorded in 1870–75; intra- + muscular

Vocabulary lists containing intramuscular

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.

See Examples For:

An intramuscular injection given before feeding reduced food intake during the following hour by as much as 50% in both species.

From Science Daily Jul. 24, 2026

Food & Drug Administration can take steps to extend over-the-counter designation to generic intramuscular naloxone — the most common and the cheapest form of this life-saving medication.

From Salon Jul. 21, 2023

The available intramuscular vaccines for COVID-19 generally thwart severe disease but haven’t stopped infection and transmission outright.

From Washington Times Oct. 11, 2022

Last year researchers at the National Institutes of Health conducted a side-by-side comparison of intranasal and intramuscular delivery of the Oxford-AstraZeneca vaccine.

From Scientific American May 3, 2022

In this case the elevation of the intramuscular osmotic pressure produced by the electrical excitation and the muscular contractions was therefore 2.5 atmospheres, or more than 2.6 kilogrammes per square centimetre of surface.

From The Mechanism of Life by Stéphane Leduc

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