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forensics ch. 4

TermDefinition
amorphous without a defined shape; fibers composed of a loose arrangement of polymers that are soft, elastic, and absorbing
crystalline regularly shaped; fibers composed of polymers packed side by side, which makes it soft and strong
direct transfer passing of evidence, such as a fiber from victim to suspect or vice versa
fiber smallest indivisible unit of a textile; it must be at least 100x longer than wide
mineral fiber collection of mineral crystals formed into a recognizable pattern
monomer small molecules that may bond with other monomers to become a polymer
natural fiber fiber produced naturally and harvested from animal, plant or mineral sources
polymer substance composed of long chains of repeating units
synthetic fiber fiber made from man-made substances such as plastic
secondary transfer transfer of evidence such as a fiber from a source to person and then to another person
textile flexible flat material made by interlacing yarns or threads
yarn fibers that have been spun together
5 types of weaves plain, basket, satin, twill, leno
regenerated fiber derived from cellulose and are mostly plant in origin
polyester common synthetic fiber added to natural fibers to provide additional strength
nylon similar to polyester except easily broken down by light and concentrated acid
acrylic often found as artificial wool or imitation fur; inexpensive
olefin used in high performance clothing; quick drying and resistance to wear
animal fiber provide fibers from 3 sources- hair, fur, and webbing
plant fiber specialized plant cells
seed fiber cotton
fruit fiber coir
stem fiber hemp, jute, and flax
leaf fiber manila
Created by: mrsklann
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