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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:

In both animal models, the nasal spray vaccine provided stronger protection than the same vaccine delivered by a traditional intramuscular injection.

From Science Daily Feb. 4, 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

In research with mice at Yale, Iwasaki has devised a nasal spray that works as a booster to the standard intramuscular shot.

From Scientific American May 3, 2022

In the intramuscular injection of mercury salts it is by no means a matter of indifference what salt we employ.

From The Mechanism of Life by Leduc, Stéphane

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