polyphenol
pol y phe nol |ˌpäliˈfēˌnôl, -ˌnōl ˌpɑliˈfinɔl | ▶noun Chemistry a compound containing more than one phenolic hydroxyl group.
polyphenol |ˌpɒlɪˈfiːnɒl | ▶noun Chemistry a compound containing more than one phenolic hydroxyl group. DERIVATIVES polyphenolic adjective