(topology) A cover whose members are all open sets.

(Christianity, somewhat colloquial) religious to the point of excess; ridiculously religious

(mathematics, functional analysis) An operator L such that for functions f and g and scalar λ, L (f + g) = L f + L g and L λf = λ L f.

A system of circulation which is achieved primarily from the heart beating and muscle-induced locomotion of the organism, circulation without veins.

Someone who sings opera professionally.

(computing) A communication protocol among computers and multimedia devices, such as sound synthesizers, which is optimized for modern networking technology.

plural of operational service period

plural of additive operation

plural of order of operations

plural of operating loss