tannage

Etymology
From.

Noun

 * 1) The act, operation, or result of tanning; a tanning.
 * 2) * 1938, US Depoartment of Agriculture, Technical Bulletin, Issues 551-575, page 36,
 * After the layer tannage was completed, the crops and bellies from the 44 hides were reassembled and handled as a unit in each subsequent process until finished.
 * 1) * 2009, National Institute of Industrial Research Board Of Consultants & Engineers, Leather Processing & Tanning Technology Handbook, India, page 37,
 * The possible combined tannages are numerous but are, in general, limited to the light leathers. Combination tannages are very ancient.
 * 1) The act of steeping cast slabs of artificial marble in a solution of potash alum to harden it and make it insoluble.
 * The possible combined tannages are numerous but are, in general, limited to the light leathers. Combination tannages are very ancient.
 * 1) The act of steeping cast slabs of artificial marble in a solution of potash alum to harden it and make it insoluble.

Etymology
From.

Noun

 * 1) tanning (of the skin)