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.

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
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.
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.