# intravenous

/ˌɪntɹəˈvinəs/ (US) · /ˈɪntɹəvənəs/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/intravenous
Updated: 2026-05-08

## Definition

something that happens inside your veins. It usually describes medicine or fluids that a doctor puts directly into your blood using a needle.

For teachers: situated within, performed by, or administered into a vein. Often describes the delivery of fluids or medications directly into the circulatory system.

## Examples

- 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.

## Usage notes

- Typically used attributively before a noun; often abbreviated as 'IV' in clinical settings.

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