paternal quality
— Noun
– English
～ the benignity and protectiveness of or befitting a father; "the gentleness and fatherliness of the strange old man eased her fears"
parental quality
— Noun
– English
～ a quality appropriate to a parent
prime quantity
— Noun
– English
～ a natural number that has exactly two distinct natural number divisors: 1 and itself
parametric quantity
— Noun
– English
～ a constant in the equation of a curve that can be varied to yield a family of similar curves