tannic
/ˈtænɪk/Definitions
1. adjective
Containing or resembling tannin, especially in being bitter or astringent.
“The tannic taste of the unripe fruit was quite overpowering.”
2. noun
A chemical compound found in plants, especially in bark, roots, and leaves, and extracted as a brownish or yellowish powder.
“The tannic content in the oak bark is what gives it its astringent properties.”
3. noun
A solution or extract of tannin, used as a mordant in dyeing, or as a medicine.
“The tannic used in the dyeing process helped to create a rich, dark color.”