rhizoverbBeta
DictionaryagentCause of an effect
noun

agent

A substance or force that produces an effect.

The detergent contains a cleaning agent that lifts grease from fabric.

Etymology
agentLatindo or act

Latin agere meant to do or act. An agent is what does the work, extending the idea of an actor to a substance or force that produces an effect.

More examples

  • Moisture acts as an agent of decay.
  • The laboratory tested several disinfecting agents.
  • Heat was the main agent behind the change.

Forms

agent · agents

Similar words

factor
Something contributing to a result, not necessarily actively causing it.
cause
Cause directly identifies what produces an effect rather than an instrument that brings it about.