Chapter 4 VOCAB Quiz Flashcards
Amorphous-
Without a defined shape; fibers composed of a loose arrangement of polymers that are soft, elastic, and absorbing (for example, cotton)
Crystalline-
geometrically shaped; fibers composed of polymers packed side by side, which makes them stiff and strong (for example, flax)
Direct transfer-
The passing of evidence, such as a fiber, from victim to suspect or vice versa
Fiber-
The smallest indivisible unit of a textile, it must be at least 100 times longer than wide
Mineral fiber-
A collection of mineral crystals formed into a recognizable pattern
Monomer-
Small, repeating molecules that can link to form polymers
Natural fiber-
A fiber produced naturally and harvested from animal, plant, or mineral sources
Polymer-
A substance composed of long chains of repeating molecules (monomers)
Secondary transfer-
The transfer of evidence such as a fiber from a source (for example, a carpet) to a person (suspect), and then to another person (victim)
Synthetic fiber
A fiber made from a manufactured substance such as plastic
Textile-
A flexible, flat material made by interlacing yarn (or “threads”)
Warp-
A lengthwise yarn or thread in a weave
Weft-
A crosswise yarn or thread in a weave
Yarn (thread)-
Fibers that have been spun together