A Leather Glossary, M-Z

Milling: A process in which tanned hides are tumbled in rotating drums to soften the hand or enhance the grain.

Natural Grain: Leather whose grain has not been altered in any way.

Nubuck: Cattle hide leather, buffed on the grain side to give a soft and shiny surface. 

Patina: A surface luster that develops which increases in attractiveness over time and use. 

Printed Leather: Leather bearing a surface pattern produced usually by embossing, silkscreen printing, etc.

Pure Aniline: Leather which receives its only color from dyes and retains its natural markings.

Rawhide: A hide which has only been treated to preserve it prior to tanning.

Retanned: Leather which has been tanned twice.

Sammiering: Pressing the water out of hides.

Semi-aniline: Leather which has been aniline dyed or stained with a small amount of pigment.

Shrunken grain: Leather tanned to shrink the grain layer.  It will have a grain surface of uneven folds and valleys.

Split: The under portion of a hide or skin that has been split into two or more thickness.

Suede: Velvet-like nap finish produced by abrasion.

Tanning: The process of turning perishable raw hides and skins with tanning materials into permanent leather.

Top Grain: The top layer of a hide after the splitting process in which the hair and epidermis have been removed.

Vegetable Tanned: Leather tanned entirely or almost entirely with vegetable tanning agents.  Any other agents added must be only used in very small amounts for the leather to called vegetable tanned.

Water-resistant(repellent leather): Leather resistant  to the penetration of water, usually chrome or combination tanned; other water-resisting  agents may be used.

Waxed Leather: Leather finished on the flesh side and dyed; vegetable tanned with a high content of hard grease Leather bearing a wax finish.

Wet Blue Leather: Leather which has not been further processed after chrome tanning and is sold in the wet condition.


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