aramid fiber
American Heritage Dictionary:
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ar·a·mid fiber
(ăr'ə-mĭd) 
n.
A strong, heat-resistant fiber formed of polymers with repeating aromatic groups branching from a carbon backbone, used in materials for bulletproof vests and radial tires. Also called polyaramid.
n.
A strong, heat-resistant fiber formed of polymers with repeating aromatic groups branching from a carbon backbone, used in materials for bulletproof vests and radial tires. Also called polyaramid.
[AR(OMATIC) + (POLY)AMID(E).]
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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