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What is "Catalyst" - Definition & Explanation

A substance, which accelerates a chemical reaction although not necessarily a part of that reaction. Catalysts are used in fiber production, and textile dyeing, finishing and processing.
a substance that, when added to a reaction mixture, changes (speeds up) the rate of attainment of equilibrum in the system without itself undergoing a permanent chemical change.

Some other terms

Some more terms:

A woven fabric construction made by interlacing two or more sets of warp yarns with two or more sets of filling yarns. A weft knit fabric in which two layers of loops are formed that cannot be...
Measure of the amount of water in wood. Measured as a percent of dry weight of the wood. For example, if a piece of wood weighs 10 pounds when oven dried and 12 pounds before drying, the piece is...
Acitate A man-made fiber with a luxurious feeling, which dyes in brilliant colors and is economical. Bui if offers low resistance to wear and only fair resistance to sunlight. When blended with other...
A ballgown is a type of long dress that is fitted at the bodice, with a very full skirt. This is the most formal dress silhouette, usually reserved for the dressiest of occasions. The ballgown looks...
A heavily felted, tightly woven fabric with a sheared nap giving it a smooth surface. It is almost always of wool or a wool blend. Used mainly for coats but lighter weights may be used for other...

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