containing much tannin; yielding tannin.
noun 1. Chemistry. any of a group of astringent vegetable principles or compounds, chiefly complex glucosides of catechol and pyrogallol, as the reddish compound that gives the tanning properties to oak bark or the whitish compound that occurs in large quantities in nutgalls (common tannin, tannic acid) 2. any of these compounds occurring in wine […]
noun 1. the process or art of converting hides or skins into leather. 2. a browning or darkening of the skin, as by exposure to the sun. 3. Informal. a thrashing; whipping. verb (used with object), tanned, tanning. 1. to convert (a hide) into leather, especially by soaking or steeping in a bath prepared from […]
noun 1. a boxlike bed having a hinged cover and equipped with sunlamps to produce a suntan.
adjective 1. somewhat tan: a tannish belt.