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Glossary of Terms

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but | b | in | g | d | ws | to | l | m | n | about | n | rs | t | fs | shh

- T -

Talc - Natural Magnesium Hydrosilicate Mg3Si4O10 (OH) 2. Snow-white powder.

Tannin (tannin) - A mixture of natural substances with an impressive number of phenolic groups and tanning action.

Cottage cheese (casein) - Casein is the first protein component of milk.

Textiloid - A plastic substance used instead of rubber.

Venetian Terpentine - A resinous substance secreted from conifers. Raw material for rosin plus turpentine.

Terpineol - A low melting crystalline odorous substance.

Thymol - Poorly soluble crystals in water.

Caraway seeds - An oil plant, a family of couples, plus perennial grasses of the umbrella family.

Peat - Sedimentary rock of plant origin. Dark brown mass.

Tragant - A resin dried in the atmosphere, flowing from cracks or cuts on the trunk as well as the roots of some species of Astragalus shrubs.

- U -

Sulfur Carbon - See carbon disulfide.

Charcoal - A porous product formed during the pyrolysis of wood.

Animal Coal - Coal obtained by charring animal residues (bones, blood, etc.)

Bone charcoal - Coal obtained by charring bones.

Vinegar - An aqueous solution of acetic acid CH3COOH.

Wine Vinegar - Vinegar obtained from fermented wine.

Strong vinegar - See acetic acid.

Ultramarine - The pigment is green, blue or purple. It is obtained by fusing kaolin with soda and also sulfur.

Umbra (paint) - Natural iron oxide pigment of brown color.