inˈjector
C1Technical / Formal
Definition
Meaning
A device or person that forces a fluid or gas into something, or introduces something new into a system.
A mechanical device (e.g., in engines or medicine) that introduces a substance under pressure; figuratively, a person or element that introduces something new or stimulating (e.g., ideas, capital, energy) into a situation.
Linguistics
Semantic Notes
Primarily a technical noun; metaphorical use is less common but recognized. The verb form is 'inject'.
Dialectal Variation
British vs American Usage
Differences
Spelling and meaning are identical. Minor pronunciation differences (see IPA).
Connotations
Identical; strongly associated with mechanical/technical domains.
Frequency
Equally frequent in technical contexts in both varieties.
Vocabulary
Collocations
Grammar
Valency Patterns
injector of [substance/idea]injector for [purpose/engine]injector in [system/context]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[Figurative] He was the main financial injector for the startup.”
Usage
Context Usage
Business
Used metaphorically for a person/entity providing capital or new ideas into a project.
Academic
Used in engineering, medicine, and chemistry texts for devices introducing fluids/gases.
Everyday
Rare in casual speech; mostly used when discussing car engines or medical equipment.
Technical
Precise term for components in internal combustion engines, hydraulic systems, or medical delivery systems.
Examples
By Part of Speech
verb
British English
- The mechanic will inject fuel into the cylinder.
- We need to inject some humour into the presentation.
American English
- The technician will inject the coolant into the system.
- They plan to inject new funds into the program.
adverb
British English
- N/A (No direct adverb form).
- N/A
American English
- N/A (No direct adverb form).
- N/A
adjective
British English
- The injector nozzle was clogged.
- He studied injector technology.
American English
- The injector pump needs replacement.
- They reviewed injector performance data.
Examples
By CEFR Level
- The doctor used an injector for the medicine.
- A faulty fuel injector can cause engine problems.
- The new investor acted as a capital injector, revitalising the struggling company.
- The precision of the piezoelectric fuel injector is critical for meeting modern emissions standards.
Learning
Memory Aids
Mnemonic
IN-JECT-OR: Something that puts something IN by projecting (JECT) it.
Conceptual Metaphor
A SOURCE / INTRODUCER (of substance, capital, energy).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating as 'инъектор' (rare/technical calque); use 'форсунка' (engine) or 'шприц' (medical). Figurative use does not translate directly.
Common Mistakes
- Mispronunciation: /ˈɪndʒɛktə/ (wrong stress). Confusing 'injector' (noun, device) with 'injection' (noun, process).
Practice
Quiz
In which context is 'injector' most likely used figuratively?
FAQ
Frequently Asked Questions
No, it is primarily a technical term. In everyday contexts, people are more likely to use simpler terms like 'syringe' (medical) or refer to the specific part, like 'fuel injector' when talking about cars.
'Injector' is a physical device or person that performs the action. 'Injection' refers to the act or process of injecting, or the substance that is injected.
No, the verb form is 'to inject'. 'Injector' is only a noun.
It is understandable and used in business/creative contexts, but it is an extension of the core technical meaning and is less frequent than the literal use.