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methyl vs. ethyl

  1. a combining form occurring in the names of chemical compounds in which the methyl group is present.

    methylamine.

[eth-uhl] / ˈɛθ əl /

adjective

  1. Chemistry. containing the ethyl group, as ethyl ether, C 4 H 10 O.

noun

  1. a type of antiknock fluid, containing tetraethyl lead and other ingredients for a more even combustion.