intravenous

The definition of intravenous is into a vein.

(adjective)

When you use a needle to inject heroin directly into your vein, this is an example of intravenous drug use.

See intravenous in Webster's New World College Dictionary

adjective

in, or directly into, a vein or veins: an intravenous injection

Origin: intra- + venous

Related Forms:

See intravenous in American Heritage Dictionary 4

adjective Abbr. IV

Within or administered into a vein.

noun

A drug, nutrient solution, or other substance administered into a vein.

Related Forms:

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