reactant
Any of the participants present at the start of a chemical reaction, specifically one that is consumed during the reaction.
Noun
- Any of the participants present at the start of a chemical reaction, specifically one that is consumed during the reaction.
Hypernyms: reagent
Origin
Etymology tree English react Proto-Indo-European *-onts Latin -ns Latin -āns Old French -antbor. Proto-Indo-European *-onts Proto-Germanic *-ndz Proto-West Germanic *-andī Old English -ende Middle English -ant English -ant English reactant From react + -ant.