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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 ability of a fabric to resist such things as wetting and staining by water, stains, soil, etc. Resiliency - The ability of a fabric to spring back to its original shape after being t compounds to...
A garment fashioned to wear under blouses, suits and etc., that covers from bust to waist. Usually sleeveless, camisoles (or "camis") traditionally offer little if any breast support, though some...
A woven construction in which patterns are built in at spaced intervals through the use of extra warp and/or extra fill yarns are placed in selected areas. These yarns are woven into the fabric by...
Tyres reinforced by layers of tyre cord fabric arranged alternately so that the main load bearing yarns lie at an angle of less than 90 to the plane in which the tyre rotates and yarns of adjacent...
A silk, rayon, or manufactured fiber necktie fabric with a broken rib weave and a characteristic pebbly appearance. A fine, dress fabric with a silk warp and worsted filling, woven in a broken...

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