coagulate
C1Formal, Technical, Scientific
Definition
Meaning
To change from a liquid to a thickened or solid state, typically through a chemical or physical process.
To cause separate elements to come together into a mass or whole; to congeal or clot.
Linguistics
Semantic Notes
Primarily used in scientific, medical, and culinary contexts. Implies a process of thickening or solidification, often irreversible. Can be used both transitively and intransitively.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is identical.
Connotations
Identical connotations in both varieties.
Frequency
Slightly more frequent in American English in medical contexts, but overall usage is comparable.
Vocabulary
Collocations
Grammar
Valency Patterns
[S] The blood coagulated.[S V O] The enzyme coagulated the milk.[S V into N] The sauce coagulated into lumps.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[No common idioms]”
Usage
Context Usage
Business
Rare. Might be used metaphorically in finance: 'The crisis caused capital to coagulate in safe havens.'
Academic
Common in biology, chemistry, and medical texts: 'The study examined factors that cause plasma to coagulate.'
Everyday
Uncommon. Mostly in cooking: 'Don't let the custard coagulate.'
Technical
Very common in medical and laboratory contexts: 'The reagent is designed to coagulate specific proteins.'
Examples
By Part of Speech
verb
British English
- The blood will coagulate if left untreated.
- We need to coagulate the soy milk to make tofu.
- The paint began to coagulate in the tin.
American English
- The injury caused his blood to coagulate quickly.
- Add lemon juice to coagulate the cream.
- If the sauce sits too long, it will coagulate.
adverb
British English
- [No standard adverbial form. Use 'in a coagulated state' or similar.]
American English
- [No standard adverbial form. Use 'in a coagulated manner' or similar.]
adjective
British English
- The coagulated blood formed a scab.
- She discarded the coagulated milk.
American English
- He cleaned the coagulated glue from the brush.
- The coagulated fat was difficult to remove.
Examples
By CEFR Level
- [Too advanced for A2. Use 'get thick' or 'become solid'.]
- The soup will coagulate if it gets cold.
- Heat makes the egg coagulate.
- The doctor explained how blood platelets help coagulate blood at a wound site.
- The cheese is made by adding rennet to coagulate the milk.
- Certain chemicals can be introduced to wastewater to coagulate suspended particles for easier removal.
- The political factions slowly began to coagulate around the two leading candidates.
Learning
Memory Aids
Mnemonic
Think of 'COAgulate' like 'COAg' – a company (CO) of Agents (Ag) coming together to form a solid team.
Conceptual Metaphor
LIQUID IS CHAOS / SOLID IS ORDER (e.g., 'The plan began to coagulate' implies disparate ideas becoming a structured whole).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation from 'свёртываться' for all contexts; 'coagulate' is more specific to liquids thickening.
- Do not confuse with 'коагулировать' in overly technical Russian, which is a direct cognate but less common in everyday speech.
Common Mistakes
- Using 'coagulate' for freezing water (use 'freeze').
- Using it as a general synonym for 'harden' (e.g., for clay or cement; use 'set' or 'cure').
- Misspelling as 'coagulent' (the noun is 'coagulant').
Practice
Quiz
In which context is the use of 'coagulate' MOST appropriate?
FAQ
Frequently Asked Questions
No. While common for blood, it is used for any liquid thickening process, especially in cooking (milk, sauces) and chemistry.
They are often synonyms. 'Coagulate' often implies a chemical change or clotting agent (blood, proteins). 'Congeal' often implies cooling and solidifying of fats or gels (soup, gravy).
Yes, though it's formal. It can describe ideas, groups, or plans coming together into a solid whole (e.g., 'Their strategy began to coagulate').
The process is 'coagulation'. The agent that causes it is a 'coagulant'. The resulting solid mass is a 'coagulum' (technical) or simply a 'clot' or 'curd'.