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A woman poses with a lacey parasol. noun. The definition of a parasol is an umbrella used to shade someone from the sun. An example of a parasol is the frilly umbrella used for shade by a southern belle. a lightweight umbrella carried as a sunshade. Origin of parasol.
Definition: Cortisol is a natural steroid hormone produced by the adrenal gland cortex. It has a strong diurnal variation, generally high early in the morning and falling during the day. Cortisol level typically increases over the first few minutes of the day, reaching a peak 20-30 minutes after waking.