intravenous
adj.something that happens inside your veins. It usually describes medicine or fluids that a doctor puts directly into your blood using a needle.
adj.situated within, performed by, or administered into a vein. Often describes the delivery of fluids or medications directly into the circulatory system.
“The patient needs intravenous fluids to stay hydrated.”
“The nurse started an intravenous drip to deliver the antibiotics as quickly as possible.”
“Medical professionals prefer intravenous administration for certain drugs because it bypasses the digestive system, allowing for immediate absorption and more precise control over blood concentration levels.”
Typically used attributively before a noun; often abbreviated as 'IV' in clinical settings.
“Doctors treat patients with intravenous fluids and a drug called atropine, which restores a normal heart rhythm.”
From intra- + venous.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.