Dictionary

high-octane

high–octane

adjective

of engine fuel : of a good quality that allows an engine to run efficiently

: very powerful, strong, or effective

Full Definition of HIGH-OCTANE

1
:  having a high octane number and hence good antiknock properties <high–octane gasoline>
2
:  very powerful, strong, or effective <high–octane football> <high–octane coffee>

First Known Use of HIGH-OCTANE

1932

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