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Definition of injector

injector

/ɪnˈdʒɛktər/
in · jec · tor

Plural:injectors
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injector Lexical Profile

injector Game Scores & Validity

• noun

1

A mechanical device or valve that forces liquid or gas, especially fuel or water, into an engine cylinder, boiler, or combustion chamber under high pressure.

Example

"The mechanic cleaned the clogged fuel injector to restore the engine's performance."


2

A medical instrument or spring-loaded apparatus used to introduce medication or vaccines beneath the skin.

Example

"The paramedic carried an epinephrine injector in her emergency kit for severe allergic reactions."


3

A person who administers an injection, such as a licensed clinician performing cosmetic or therapeutic procedures.

Example

"Patients should always verify the credentials of a cosmetic injector before undergoing treatment."

Synonyms
View all synonyms for injector

• Rhymes for injector

Word Origin & Etymology

Borrowed in the early 17th century from French injecteur or directly from Latin iniector, an agent noun derived from inicere ('to throw in'), combining in- ('in, into') and iacere ('to throw').

Cite this Entry


Wordmom. (2026). Definition of Injector. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/injector
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