: of or relating to any of various catalysts made from sodium derivatives of alcohols (as isopropyl alcohol) and olefins (as propylene) and used in certain polymerizations (as of butadiene alone or with styrene and a high-viscosity oil) yielding synthetic rubbers

Word History


alcohol + olefin

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of alfin was in 1947

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Dictionary Entries Near alfin

Cite this Entry

“Alfin.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

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