intravenous

adjective

in·​tra·​ve·​nous ˌin-trə-ˈvē-nəs 

: 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

Originally delivered to patients at hospitals via hours-long intravenous infusions, the experiments helped inform an injectable version that patients could potentially administer at home. —Elsa Ohlen, CNBC, 9 June 2026

Others required a slightly larger leap of faith, including GAH intravenous ozone therapy—an essential nutrients serum delivered directly into the bloodstream—cryotherapy, and time in the hyperbaric chamber. —Rachel Ingram, Robb Report, 7 June 2026

About one in 40 children may require hospitalization, where treatments may include intravenous fluids, tube feeding and blood work to track electrolyte levels. —Don Sweeney, Sacbee.com, 27 May 2026

Using it safely requires continuous heart monitoring, and some clinics now offer intravenous magnesium to reduce the chances of heart complications. —Shayla Love, The Atlantic, 24 May 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1849, in the meaning defined above

Phrases Containing intravenous

• intravenous immune globulin
• intravenous immunoglobulin

Rhymes for intravenous

• salvelinus
• arteriovenous
• cleanness
• freeness
• genus
• minas
• penis
• venous
• venus
• dominus
• fraxinus
• lupinus

Kids Definition

intravenous

adjective

in·​tra·​ve·​nous ˌin-trə-ˈvē-nəs 

: 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 

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