Noun specificity has 2 senses

• specificity(n = noun.attribute) Array - the quality of being specific rather than general; "add a desirable note of specificity to the discussion"; "the specificity of the symptoms of the disease"
is a kind of particularity, specialness
Derived form adjective specific₂

• specificity(n = noun.attribute) Array - the quality of being specific to a particular organism; "host specificity of a parasite"
is a kind of particularity, specialness