- The definition of an IV is an abbreviation for intravenous, a procedure where a needle inserted directly into a vein to deliver liquids to the blood stream.
An example of an IV is what a nurse would use to give fluids to a severely dehydrated person.
A woman with an IV.
IV definition by Webster's New World
noun pl. IVs
- a procedure in which a hypodermic needle inserted into a vein provides a continuous supply of blood plasma, nutrients, or medicine directly to the bloodstream
- the apparatus used in such a procedure, typically consisting of a bag or bottle containing the fluid, which flows through plastic tubing to the needle
Origin: ; from i(ntra)v(enous)
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
IV definition by American Heritage Dictionary
An apparatus for providing intravenous injections.
Origin: From i(ntra)v(enous).
abbreviationThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
iv - Computer Definition
iv - Medical Definition