tannic

/ˈtænɪk/
adjective
  1. Relating to or containing tannin, a natural substance found in plants that gives a bitter taste and can bind to proteins.
    • The tannic flavor of the tea made it slightly bitter.
    • Red wines often have a tannic taste from the grape skins and seeds.
    • Tannic compounds in oak bark are used to tan leather.
Antonyms
What does "tannic" mean? | whatsthatwordmean | whatsthatwordmean