chain-propagating reaction

Synonym: propagating reaction
https://doi.org/10.1351/goldbook.C00959
A chain-propagating reaction, or more simply a propagating reaction, is an elementary step in a @C00960@ in which one @C00949@ is converted into another. The conversion can be a @M03989-1@ reaction or a @M03989-2@ reaction with a reactant molecule.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 157 [Terms] [Paper]