(chemistry) Tannic acid or any of its derivatives.

plural of tannin

present participle of tan

The process of making leather, which does not easily decompose, from the skins of animals, which do. / The acquisition of a tan, either by exposure to the sun, or artificially. / (informal) A spanking.

plural of tanning bed

A device emitting ultraviolet radiation used to produce a cosmetic suntan.

Containing or producing tannin.

plural of tanning

plural of tanning butter

A skin preparation or ointment designed to assist in tanning.