Assertion: acorn's tannin | /r/HasProperty | bitter
Facets:
Source sentences:
text: Acorns also contain bitter tannins, the amount varying with the species.
text: Repeat this process until the water runs clear or until the acorns have lost their tannins (bitter taste).
text: Well, not dangerously so, but they contain tannin, a bitter chemical that we humans use to tan leather.
text: Acorns contain tannins, bitter compounds that not only taste bad but can upset tummies.
text: This is because they contain tannin, a bitter substance in oaks which is used to tan leather.
text: Acorns also contain bitter tannins, the amount varying with the species.