Definition of REACTANT

reactant

Plural: reactants

Noun

  • a chemical substance that is present at the start of a chemical reaction
  • Any of the participants present at the start of a chemical reaction, specifically one that is consumed during the reaction.
  • pl. -S one that reacts

Origin / Etymology

From react + -ant.

Scrabble Score: 10

reactant: valid Scrabble (US) TWL word
reactant: valid Scrabble Word in Merriam-Webster MW Dictionary
reactant: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 12

reactant is a valid Words With Friends word