cuprene

noun
cu·​prene | \ˈk(y)üˌprēn\
plural -s

Definition of cuprene 

: a light yellow to dark brown inert insoluble solid obtained by polymerization of acetylene (as by heating in the presence of copper or copper oxides)

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History and Etymology for cuprene

International Scientific Vocabulary cupr- + -ene; probably originally formed as French cuprène

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