in·​tra·​ve·​nous | \ˌin-trə-ˈvē-nəs \

Definition of intravenous 

: situated, performed, or occurring within or entering by way of a vein also : used in or using intravenous procedures

Keep scrolling for more

Other Words from intravenous

intravenously adverb

Examples of intravenous in a Sentence

Recent Examples on the Web

The only realistic potential abusers of Dsuvia are medical personnel, who have had access to liquid sufentanil from hospital pharmacies since the drug was approved in 1984 for intravenous and epidural use. Sally Satel, WSJ, "The FDA Was Wise to Approve a New Opioid," 7 Nov. 2018 Zoe is back home now, her parents familiar with another medical term, IVIG, for intravenous immunoglobulin, a blood product prepared from the serum of between 1,000 and 15,000 donors per batch. Erik Lacitis, The Seattle Times, "Mysterious paralyzing illness leaves Washington families reeling," 19 Oct. 2018 According to the report, the patient had developed a bacterial infection and was treated with intravenous meropenem and oral minocycline. Alexandria Hein, Fox News, "Patient develops 'black hairy tongue' from medication," 7 Sep. 2018 Victims were crowded into isolation wards in an effort to stop the spread of the virus, but in many cases intravenous fluids were not provided because using needles was seen as too risky for medical staff. Robyn Dixon,, "As Ebola outbreak threatens nine African countries, new vaccine is main hope for preventing a major epidemic," 18 May 2018 But unlike most teenage girls getting ready for prom, each had an intravenous needle poking from her hand and a hospital identification band around her wrist. Cynthia Billhartz Gregorian, kansascity, "Teens put on gowns and tuxes and get a night to forget their troubles at special prom | The Kansas City Star," 13 Apr. 2018 The case surfaced on Sept. 20, 2016, when the hospital informed police of a possible poisoning after 88-year-old Nobuo Yamaki died while receiving an intravenous injection. Washington Post, "Japan police search home of nurse in hospital poison deaths," 12 July 2018 The Scott County Health Department Needle Exchange Program was started in 2015 as a response to an HIV outbreak linked to intravenous drug use in Scott County. Jordyn Hermani, Indianapolis Star, "Marion County needle exchange program a step closer to reality," 13 June 2018 Despite being in and out of hospitals since the age of 16, one of Harmon Clarke’s biggest fears is having an intravenous line inserted into his arm. Meeri Kim,, "Virtual Reality Helps Patients Ease Stress And Pain," 12 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intravenous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of intravenous

circa 1849, in the meaning defined above

History and Etymology for intravenous

International Scientific Vocabulary

Keep scrolling for more

Learn More about intravenous

Share intravenous

Statistics for intravenous

Last Updated

20 Nov 2018

Look-up Popularity

Time Traveler for intravenous

The first known use of intravenous was circa 1849

See more words from the same year

Keep scrolling for more

More Definitions for intravenous



English Language Learners Definition of intravenous

: through, in, or into a vein : entering the body through a vein


in·​tra·​ve·​nous | \ˌin-trə-ˈvē-nəs \

Medical Definition of intravenous 

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

Other Words from intravenous

intravenously adverb

Keep scrolling for more

More from Merriam-Webster on intravenous

Rhyming Dictionary: Words that rhyme with intravenous

Spanish Central: Translation of intravenous

Nglish: Translation of intravenous for Spanish Speakers

Britannica English: Translation of intravenous for Arabic Speakers

Comments on intravenous

What made you want to look up intravenous? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!