cortisol: meaning, definition, pronunciation and examples
C1Technical/Academic/Medical
Quick answer
What does “cortisol” mean?
A steroid hormone produced by the adrenal cortex, often called the 'stress hormone' because its levels increase in response to stress.
Audio
Pronunciation
Definition
Meaning and Definition
A steroid hormone produced by the adrenal cortex, often called the 'stress hormone' because its levels increase in response to stress.
In broader contexts, cortisol can refer to a biochemical marker of stress, a target for medical treatments (e.g., cortisol-reducing drugs), or a concept in discussions of modern lifestyle and health.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation are consistent.
Connotations
Identical technical and medical connotations in both varieties.
Frequency
Equally frequent in medical and scientific contexts in both regions. Slightly more likely to appear in general wellness media in the US.
Grammar
How to Use “cortisol” in a Sentence
Elevated cortisol is associated with X.The body releases cortisol in response to Y.Z can suppress/inhibit cortisol production.Vocabulary
Collocations
Examples
Examples of “cortisol” in a Sentence
verb
British English
- The body will cortisol in reaction to a perceived threat.
- She cortisolled heavily after the marathon.
American English
- The body will cortisol in response to a perceived threat.
- He cortisolled heavily during the exam week.
adverb
British English
- The hormone was released cortisolly.
- She reacted cortisolly to the news.
American English
- The hormone was released cortisolly.
- He responded cortisolly to the pressure.
adjective
British English
- A cortisol response was evident.
- They studied the cortisol mechanism.
American English
- A cortisol response was evident.
- They studied the cortisol pathway.
Usage
Meaning in Context
Business
Rare. Might appear in corporate wellness contexts: 'Managing workplace stress to control cortisol levels.'
Academic
Common in biology, psychology, and medicine papers: 'The study measured salivary cortisol as a biomarker.'
Everyday
Increasingly common in health and lifestyle discussions: 'Meditation can help lower your cortisol.'
Technical
Primary domain. Precise usage in endocrinology and clinical diagnostics: 'The patient's 24-hour urinary free cortisol was within normal limits.'
Vocabulary
Synonyms of “cortisol”
Neutral
Weak
Watch out
Common Mistakes When Using “cortisol”
- Misspelling as 'cortizol' or 'cortisole'.
- Using it as a countable noun (e.g., 'cortisols') – it is generally uncountable.
- Confusing it with adrenaline, another stress-related hormone.
FAQ
Frequently Asked Questions
No. Adrenaline (epinephrine) is a fast-acting 'fight or flight' hormone. Cortisol is a slower-acting steroid hormone that helps manage longer-term stress by regulating metabolism and immune function.
Yes. Abnormally low cortisol levels are a feature of conditions like Addison's disease and can cause fatigue, weight loss, and low blood pressure.
No. Cortisol is essential for life. It helps regulate metabolism, reduce inflammation, and control the sleep-wake cycle. Problems arise when levels are chronically too high or too low.
Regular exercise, adequate sleep, mindfulness practices (e.g., meditation), deep breathing, and maintaining strong social connections can help regulate cortisol production.
A steroid hormone produced by the adrenal cortex, often called the 'stress hormone' because its levels increase in response to stress.
Cortisol is usually technical/academic/medical in register.
Cortisol: in British English it is pronounced /ˈkɔːtɪsɒl/, and in American English it is pronounced /ˈkɔːrtɪsɔːl/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: CORTisol is produced by the adrenal CORTex. It's your body's CORTical alarm system for stress.
Conceptual Metaphor
STRESS IS A CHEMICAL FLOOD (e.g., 'awash in cortisol', 'a cortisol surge').
Practice
Quiz
Cortisol is primarily produced by which gland?