Reagent

Pronunciation: /riːˈeɪdʒənt/

Reagent (noun)

  1. A chemical used in a test or experiment to cause a reaction or show what is present.
  2. A substance added to a mixture so that a specific chemical change can happen.

Examples

  • The lab chemical tool must be stored away from heat.
  • She checked the lab chemical tool before starting the experiment.