infusion
B2Formal to neutral. Common in medical, financial, and culinary contexts.
Definition
Meaning
The process of introducing or adding something (such as a substance, idea, or quality) into something else, often to strengthen or enhance it; also, the liquid resulting from steeping a substance (like tea or herbs) in water.
In business/finance: an injection of capital or new personnel. In medicine: the slow, controlled introduction of a substance, especially intravenously. Metaphorically: a gradual introduction of a new element or influence into a system or situation.
Linguistics
Semantic Notes
A polysemous noun whose concrete (liquid/medical) and abstract (injection of ideas/money) meanings are closely linked by the core concept of 'pouring in'.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. The verb 'infuse' is slightly more common in UK culinary descriptions (e.g., 'infused oil').
Connotations
Equally neutral in both varieties.
Frequency
Slightly higher frequency in American English in financial contexts (e.g., 'cash infusion').
Vocabulary
Collocations
Grammar
Valency Patterns
infusion of [NOUN] (into [NOUN])infusion with [NOUN][ADJECTIVE] infusionVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[No common idioms. Often used in literal or metaphorical phrases.]”
Usage
Context Usage
Business
The startup survived thanks to a timely infusion of venture capital.
Academic
The research benefitted from an infusion of interdisciplinary methods.
Everyday
I like to drink a ginger infusion when I have a cold.
Technical
The patient is on a continuous insulin infusion via a pump.
Examples
By Part of Speech
verb
British English
- We need to infuse the team with new talent.
- Let the tea infuse for three minutes.
American English
- They plan to infuse millions into the infrastructure project.
- The chef infuses the syrup with rosemary.
adverb
British English
- [No standard adverbial form. 'Infusingly' is non-standard.]
American English
- [No standard adverbial form. 'Infusingly' is non-standard.]
adjective
British English
- The infusion pump requires calibration.
- An infusion-based therapy.
American English
- The infusion rate is critical.
- They discussed infusion catheter placement.
Examples
By CEFR Level
- This tea is a mint infusion.
- The doctor gave him an infusion.
- The company needs an infusion of new ideas.
- She made a calming herbal infusion from the garden.
- A massive cash infusion saved the project from collapse.
- The novel lacks an infusion of humour to balance its dark themes.
- The policy represented an infusion of pragmatism into an ideologically rigid system.
- The slow infusion of the contrast agent allowed for clearer imaging.
Learning
Memory Aids
Mnemonic
Think of a tea bag INFUSING flavour INTO hot water — an INFUSION is the result or the act of putting something IN.
Conceptual Metaphor
IDEAS/CAPITAL ARE LIQUIDS (that can be poured into a system).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid directly translating as 'инфузия' (highly medical). In non-medical contexts, use words like 'вливание', 'внедрение', or 'настой'.
- Do not confuse with 'инфляция' (inflation).
Common Mistakes
- Using 'infusion' to mean 'confusion'.
- Misspelling as 'infussion'.
- Using it as a verb (the verb is 'to infuse').
Practice
Quiz
In which context is 'infusion' LEAST likely to be used?
FAQ
Frequently Asked Questions
No. While common in medicine (IV infusion), it is widely used in finance (cash infusion), cooking (herbal infusion), and general language for introducing any new element.
Both involve introducing something. 'Injection' is often quicker, more forceful, and can be metaphorical (injection of humour). 'Infusion' implies a slower, steadier, more gradual process, especially in literal medical or liquid contexts.
No. The noun is 'infusion'. The related verb is 'to infuse' (e.g., 'to infuse water with fruit').
It can be both. Uncountable: 'The process requires constant infusion.' Countable: 'She drank two herbal infusions.'