Impulse and Reactant

Impulse noun - Something that arouses action or activity.

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

Nearby Words: impulsive, impulsively, impulsion, impulsing, impulsed

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

Impulse and reactant are semantically related in catalyst topic. Sometimes you can use "Impulse" instead a noun "Reactant", if it concerns topics such as something which incites activity.