In selective poisoning or selective
inhibition, a poison retards the rate of one catalysed reaction more than that of another or
it may retard only one of the reactions.
Source:
PAC, 1976, 46, 71
(Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix
II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II:
Heterogeneous Catalysis)
on page 83