Definition of IV (intravenous)
IV (intravenous): Within a vein. IV is the abbreviation for "intravenous."
The word "intravenous" is quite properly an adjective. In this guise, it entered the English language around 1849. It means, according to Merriam Webster's Collegiate Dictionary, "situated, performed, or occurring within or entering by way of a vein."
Some examples of the use of "intravenous" as an adjective:
The accompanying adverb is "intravenously", as in: "The glucose was given intravenously."
The word "intravenous" as a noun refers to an intravenous fluid drip, a solution (usually a balanced electrolyte solution) administered directly into the venous circulation. Also called a drip.
Last Editorial Review: 9/25/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
- Allergic Skin Disorders
- Bacterial Skin Diseases
- Bites and Infestations
- Diseases of Pigment
- Fungal Skin Diseases
- Medical Anatomy and Illustrations
- Noncancerous, Precancerous & Cancerous Tumors
- Oral Health Conditions
- Papules, Scales, Plaques and Eruptions
- Scalp, Hair and Nails
- Sexually Transmitted Diseases (STDs)
- Vascular, Lymphatic and Systemic Conditions
- Viral Skin Diseases
- Additional Skin Conditions