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bu·na rubber(bo͞o′nə, byo͞o′-)
Any of a family of synthetic rubbers made from the polymerization of butadiene with a sodium catalyst. Copolymers including styrene or acrylonitrile are the most common members of this group.
[From Buna, former trademark for such rubber.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||buna rubber - made by polymerizing butadiene|
butadiene - a gaseous hydrocarbon C4H6; used in making synthetic rubbers
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