1. a hormone produced by the adrenal glands that helps regulate metabolism, blood pressure, and the body’s response to stress
Usage: medical/biological

Examples

• High levels of cortisol can indicate chronic stress.
• The doctor ordered a blood test to measure her cortisol levels.
• Cortisol production typically peaks in the early morning hours.
• Prolonged elevation of cortisol can weaken the immune system.
• Exercise can help reduce cortisol levels in the body.
• The medication mimics the effects of natural cortisol.