pentahydroxy

[ pen-tuh-hahy-drok-see ]
/ ˌpɛn tə haɪˈdrɒk si /

adjective Chemistry.

(of a molecule) containing five hydroxyl groups.

Origin of pentahydroxy

penta- + hydroxy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019