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2017 Word of the Year

polybutadiene

[pol-ee-byoo-tuh-dahy-een, -dahy-een] /ˌpɒl iˌbyu təˈdaɪ in, -daɪˈin/
noun, Chemistry.
1.
a rubberlike polymer of butadiene blended with other synthetics to replace natural rubber in tires.
Origin of polybutadiene
1930-1935
First recorded in 1930-35; poly- + butadiene
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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