selectivity noun4 •The quality of being selective, or extent to which something is selective.[…] while music was known to have scientific qualities — harmony, Pythagorean proportional relationship, etc. — it was the musician who by his selectivity made these proportions beautiful, […] — 1984 •The ability of a radio receiver to separate a desired signal frequency from others. •Discrimination of a reactant towards a choice of other reactants; the ratio of rate constants for different reactants. •An approach to social work that prioritizes people perceived as having the most need for assistance. formsselectivities
