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Buna

[boo-nuh, byoo-] /ˈbu nə, ˈbyu-/
Trademark.
1.
a brand of synthetic rubber made by polymerizing or copolymerizing butadiene with another material, as acrylonitrile, styrene, or sodium.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Buna

Buna

/ˈbuːnə; ˈbjuː-/
noun
1.
trademark a synthetic rubber formed by polymerizing butadiene or by copolymerizing it with such compounds as acrylonitrile or styrene
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for Buna

buna

n.

synthetic rubber made from butadiene, from German Buna, from first elements of butadiene, name of a hydrocarbon (related to butane; the suffix indicates the presence of two double bonds) + Na, indicating sodium (from natrium; see sodium).

Online Etymology Dictionary, © 2010 Douglas Harper
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