noun🔗ShareOctanoAny of the eighteen isomeric aliphatic hydrocarbons (C8H18) found in petroleum, especially an iso-octane 2,2,4 trimethyl-pentane; they are used as fuels and solvents."The car engine requires high octane fuel to prevent knocking and improve performance. "El motor del coche requiere combustible de alto octano para evitar el golpeteo y mejorar el rendimiento.compoundsubstancechemistryfuelChat with AIVocabulary GamePractice Reading
