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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:

To align strands of FILLING YARN and push them up close together as they are woven. The REED accomplishes this by advancing and receding from the cloth after each passage of the SHUTTLE, driving each...
Silk, cotton, rayon, or synthetic fibers in a gauze or lino weave that is a very lightweight, open, sheer, or mesh fabric. Wears very well and launders very well. Typically has a swivel dot or clip...
a) An immersion of relatively short duration of a textile in a liquid. b) The depth of liquor in the inner cylinder of a rotating-cage washing machine. c) A term sometimes used to describe the...
Denotes the spacing of ends or picks, or both, and is expressed as the number of threads per centimetre. NOTE: The state of the fabric at the time should be described, e.g. loom, grey,...
Often made from rayon but can also be made from mohair, silk and synthetics. The ground or backing yarns are usually made of cotton. Sometimes jute or hemp is combined with the cotton. It has a pile...

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