collagen
noun
Simple meaning
The main structural protein in the extracellular matrix of the connective tissues of many animals.
Pronunciation
Say it like this:
kahluhguhnSay the bold part a little louder.
IPA pronunciation (US)
ˈkɑləɡən
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
biochemistry
The main structural protein in the extracellular matrix of the connective tissues of many animals.
Word at a Glance
- Difficulty
- B2 · Upper Intermediate (estimated)
- Frequency
- Moderately Common
- Typical Use
- Neutral / general English
Word Aura™
How this word commonly comes across.
This meaning: (biochemistry) The main structural protein in the extracellular matrix of the connective tissues of many animals.
Used this way, collagen is a specialist word that usually carries little praise or criticism of its own. This is a mathematical use: it is defined precisely and belongs to working with figures and calculations rather than to ordinary conversation.
- Emotional tone
- Neutral
- Formality
- Specialist/technical
- Intensity
- Not strongly marked
- How common
- Specialized
- Connotation
- Clinical and technical
- Usage feel
- Technical and specialized
Where it naturally appears
- Mathematics
- Geometry
- Academic writing
- Education/classroom
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
More ways to use collagen
- “Many beauty products claim to improve skin elasticity by adding collagen.”noun
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Common Patterns and Combinations
How this word naturally appears with others.
Related Words
Connected to the same idea, not synonyms.
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Words can change meaning depending on context.
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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.