autoinjector
/ˌɔːtoʊɪnˈdʒɛktər/
noun
- A medical device designed to deliver a single dose of a drug through a needle that automatically injects when pressed against the skin.
- People with severe allergies often carry an autoinjector filled with epinephrine.
- The nurse showed me how to use the autoinjector in case of an emergency.
- He kept his autoinjector in a small pouch on his belt for quick access.