(economics) The branch of economics that concerns the description and explanation of economic phenomena and their causal relationships

(construction) the drainage condition in which consideration has been made during design for all loading deflections of the deck and additional roof slope has been provided to ensure drainage within 48 hours following rainfall during conditions conducive to drying.

plural of positive edge

plural of sex position

plural of fetal position

(literally) The location of the fetus inside a womb. / A posture in which the head and knees are brought as close to the abdomen as possible.

plural of positional isomer

(mathematics, stochastic processes, of a state) recurrent with finite expected return time.

(mathematics, stochastic processes) the quality of being positive recurrent.

(mathematical analysis) A function whose domain is a σ-algebra, whose codomain is [0,∞], and which is countably additive.