Reactant and Stimulus

Reactant noun - A chemical substance that is present at the start of a chemical reaction.

Stimulus and reactant are semantically related. In some cases you can use "Stimulus" instead a noun "Reactant".

Stimulus noun - Something that arouses action or activity.

Reactant and stimulus are semantically related. Sometimes you can use "Reactant" instead a noun "Stimulus".

Nearby Words: stimulate, stimulating, stimulation, stimulant