Tannin

Tannin, an astringent principle found in gallnuts and the bark chiefly of the oak.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Tannhäuser * Tantalus
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Tandy, James Napper
Tanganyika
Tangier
Tanis
Tanist Stone
Tanistry
Tanjore
Tannahill, Robert
Tanner, Thomas
Tannhäuser
Tannin
Tantalus
Tantia Topee
Taoism
Taormina
Tapajos
Tapley, Mark
Tapti
Tara, Hill Of
Taranaki
Taranto