Meaning of high-octane

high-oc•tane

Pronunciation: (hī'ok'tān), [key]
— adj.
  1. noting a gasoline with a relatively high octane number, characterized by high efficiency and freedom from knock.
  2. forceful or intense; dynamic; high-powered: high-octane efforts to obliterate the competition.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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