plural of partial autocorrelation

plural of partial derivative

plural of partial pressure

(physics, chemistry) The pressure that one component of a mixture of gases would contribute to the total pressure.

(mycology) A veil which covers the mushroom gills from the edge of the cap to the stem.

(physics) an electric charge that is less than the charge on an electron; for example, that of a quark

(mathematics) A derivative with respect to one variable of a function of several variables with the other variables held constant.

(mathematics) A function whose domain is a subset of the set on which it is formally defined; i.e., a function f: X→Y for which values f(x) are defined only for x ∈ W, where W ⊆ X.

(computing) An attribute of a relation that depends on a key but also on a part of such key; this is a violation of second normal form.

A region of low atmospheric pressure, especially one in which most of the air has been pumped out.