Meaning : Vigorously energetic or forceful.
Example :
A high-octane sales manager.
A high-octane marketing plan.
High-powered executives.
A high-voltage theatrical entrepreneur.
Synonyms : high-energy, high-octane, high-power, high-voltage
Meaning : (used of microscopes) capable of a high degree of magnification.
Example :
A high-powered microscope.