tannigen
An acetyl derivative of tannic acid once used as an astringentAn acetyl derivative of tannic acid once used as an astringent.
Meaning
1 senses(obsolete, uncountable)An acetyl derivative of tannic acid once used as an astringent.
Origin
From tannin + -gen. By surface analysis, tanni- + -gen or tann- + -igen.From tannin + -gen. By surface analysis, tanni- + -gen or tann- + -igen.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable