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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:

Two or more yarns (at least one of which is folded) (see yarn, doubled) that have been twisted together in one or more operations. NOTE: a) Combinations of folded yarns and single yarns may be...
Also referred to as CRF. Finishes used on fabrics that make them resistant to wrinkling and creasing, such as synthetic resin type finishes like durable press. Today some fabrics are made highly...
Strap across the back of a garment at the waist usually fitted with a buckle, or other method of adjustable fastening, and used to adjust the fit of the garment, within limits, to the wearer's...
The application of a size mixture to warp yarn. The purpose of this is to make the yarn smoother and stronger to withstand the strain of weaving, to provide an acceptable hand in the woven gray...
Neither a natural fiber nor a man-made one, it breathes like cotton but is much less sturdy. Versatile rayon is inexpensive and can be woven to feel like linen or wool. It is soft and drapeable but...

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