DictionarypotencyPower to produce an effect
noun

potency

POHT-n-see/ˈpəʊtnsi/

The ability to exert a strong effect.

The magnet's potency shows in the heavy cluster of nails it lifts.

A small, powerful horseshoe magnet lifts a dense, heavy cluster of iron nails, making its strength visible through an effect far larger than the magnet itself.
Etymology

Latin potentia expressed power or capability. Potency preserves this idea of inherent strength: what matters is the ability to accomplish something or bring about an effect.

In context

Info Hub2:14
The venom glands produce a complex cocktail of toxins that vary in potency and effect depending on the species of scorpion. Some venoms are designed to paralyze prey, while others can cause severe pain or even death.
How Does Scorpion Sting | The Science Behind It Explained

More examples

  • Her speech gains potency from its clear, direct language.
  • The extracts come in several potencies.
  • The medication can affect sexual potency in some men.

Forms

potency · potencies

potent adjective — Having power to produce a strong effect.

Similar words

strength
Can describe physical force or concentration, not just potential effect.
power
More broadly includes control, authority, and ability to act.
effectiveness
Emphasizes achieving the intended result rather than producing strong effects.