: 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.
With a catheter inserted into a vein, intravenous tubing fitted and a syringe pump loaded and primed, the subject waits as the bed retracts until his brain is centered within the great coils of an MRI machine calibrated to map altered brain states. Charles Moss, SPIN, 16 July 2026 In a few specific cases, the healthcare provider may prescribe a treatment plan that includes intravenous iron supplementation. Ayesha Gulzar, Verywell Health, 8 July 2026 The next best thing to intravenous intervention when dehydrated is Liquid IV. Abbey Hudetz, Travel + Leisure, 7 July 2026 Those with severe illness may need to be hospitalized and receive additional support treatments, such as intravenous fluids. Youri Benadjaoud, ABC News, 1 July 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 24 Jul. 2026.

Kids Definition

intravenous

adjective
: being within or entering by way of the veins
intravenous feeding
intravenously adverb

Medical Definition

intravenous

adjective
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

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