tannicityEtymologyFrom tannic + -ity. By surface analysis, tann- + -ity or tanni- + -ty or tann- + -i- + -ty.tannicity means the relative amount of tannin in something (especially in a wine). Lexicurio rates it Rare gem — a strength score of 84 out of 100.nounThe relative amount of tannin in something (especially in a wine).