from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Relating to catechu or its derivatives.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to catechu or its derivatives. See catechin.
from The Century Dictionary and Cyclopedia
- Pertaining to or derived from catechu.
The most common decomposition products of the natural tannoids are hydroxybenzoic acids, notably gallic and proto-catechuic acids; furthermore, other aromatic and aliphatic hydroxy compounds frequently occur.