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What is "Chaff" - Definition & Explanation

A component in cotton of trash (q.v.) in the form of a heterogeneous assortment of vegetable fragments, most of them being small pieces of leaf, leaf bract (a small form of leaf growing beneath the boll) and stalk. "Broken fragments of twig and small branches, particularly when brittle, may be broken up further in ginning and are then also regarded as "chaff". Another component of chaff is the silvery lining of the boll interior, sometimes termed "shale", particularly the partitions dividing the locules before the boll opens."
Lightweight reflecting material, typically consisting of aluminum foil strips or metal-coated fibers, that is released in the atmosphere to produce radar echoes. Initially developed as a military countermeasure, chaff is used in meteorological research to enable tracking of air motions in conditions with no natural airborne scatterers or to provide stronger echoes than those from natural scatterers.

Some other terms

Some more terms:

The technique of beefing up low grade, low cost, cloth to enhance its appearance. Only one side of the goods is affected by the process. The filling solution is composed of varying amounts of...
Traditionally a hooded fur coat made and used by northern natives, but now it can also be insulated with modern manmade materials like "thinsulate", and may have no fur at all, although usually...
It is a fabric woven as 5 end satin weave using worsted warp and woolen weft. The fabric is given after treatments such as milling and raising, so as to impart a soft feel and handle. It finds use as...
The treatment of textile materials in aqueous or other solutions in order to remove natural fats, waxes, proteins and other constituents, as well as dirt, oil and other impurities. NOTE: The...
Woven and non-woven material used underneath the item or fabric being embroidered to provide support and stability. Can be hooped with the item, or placed between the machine throat plate and the...

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