intravenous

adjective

in·​tra·​ve·​nous ˌin-trə-ˈvē-nəs How to pronounce intravenous (audio)
: situated, performed, or occurring within or entering by way of a vein
an intravenous injection
also : used in or using intravenous procedures
an intravenous solution
intravenously adverb

Examples of intravenous in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Krista, a 42-year-old photographer and videographer in Santa Cruz County, relies on costly monthly intravenous treatments for a rare blood disorder. Meg Tanaka, Los Angeles Times, 6 Feb. 2026 Symptoms can be managed with intravenous fluids for dehydration and medications to help with nausea and pain. Miriam Fauzia, Dallas Morning News, 4 Feb. 2026 Researchers are also studying the potential benefit of remdesivir -- the intravenous medication used to treat COVID-19 -- which has been shown to work well in nonhuman primates with Nipah virus. Mary Kekatos, ABC News, 29 Jan. 2026 The infant was sent to the Neonatal Intensive Care Unit where she was given intravenous Dextrose (D10), the lawsuit states. Justin Muszynski, Hartford Courant, 27 Jan. 2026 See All Example Sentences for intravenous

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1849, in the meaning defined above

Time Traveler
The first known use of intravenous was circa 1849

Cite this Entry

“Intravenous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intravenous. Accessed 12 Feb. 2026.

Kids Definition

intravenous

adjective
in·​tra·​ve·​nous ˌin-trə-ˈvē-nəs How to pronounce intravenous (audio)
: being within or entering by way of the veins
intravenous feeding
intravenously adverb

Medical Definition

intravenous

adjective
in·​tra·​ve·​nous ˌin-trə-ˈvē-nəs How to pronounce intravenous (audio)
1
: situated within, performed within, occurring within, or administered by entering a vein
an intravenous feeding
intravenous inflammation
2
: used in intravenous procedures
intravenous needles
an intravenous solution
intravenously adverb

More from Merriam-Webster on intravenous

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