vanillylmandelic acid

noun

: a principal catecholamine metabolite C9H10O5 whose presence in excess in the urine is used as a test for pheochromocytoma
abbreviation VMA

Browse Nearby Words

Cite this Entry

“Vanillylmandelic acid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vanillylmandelic%20acid. Accessed 8 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!