cerebrospinal fluid
noun
Simple meaning
A clear bodily fluid in the form of a very pure saline solution with microglia that occupies the subarachnoid space in the brain.
Pronunciation
Say it like this:
sehruhbrawspeenuhlfloouhdSay the bold part a little louder.
IPA pronunciation (US)
ˈsɛɹəbˈɹɔsˈpinəlfluəd
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
medicine
A clear bodily fluid in the form of a very pure saline solution with microglia that occupies the subarachnoid space in the brain (between the skull and the cerebral cortex), and which acts as a cushion or buffer for the cortex.
medicine
Clear liquid produced in the ventricles of the brain; fills and protects cavities in the brain and spinal cord
neuroanatomy
A bodily fluid filling the third ventricle and surrounding the interthalamic adhesion.
Word Aura™
How this word commonly comes across.
This meaning: A clear bodily fluid in the form of a very pure saline solution with microglia that occupies the subarachnoid space in the brain (between the skull and the cerebral cortex), and which acts as a cushion or buffer for the cortex.
Used this way, cerebrospinal fluid is a specialist word with a clearly warm, approving pull. It stays understated rather than dramatic. This is a clinical use: it belongs to medical description, where it is factual rather than emotive.
- Emotional tone
- Positive
- Formality
- Specialist/technical
- Intensity
- Mild
- How common
- Specialized
- Connotation
- Clear and precise
- Usage feel
- Clinical and detached
Where it naturally appears
- Medicine/healthcare
- Science
- Technical/specialist writing
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.
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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.