another name for adrenaline or epinephrine, a hormone that causes your body to react to danger or stress.
From 'adrenal' (relating to glands above the kidneys) plus the suffix '-in' (a common ending for chemical compounds). This term was used in early 20th-century chemistry before 'adrenaline' became the standard name.
Scientists originally isolated this compound from adrenal glands and wanted to name it based on where it came from—'adrenin' is literally 'the stuff from your adrenal glands,' which is honest but became outdated once they understood its function better.
Complete word intelligence in one call. Free tier — 50 lookups/day.