direct current electrical power transmitted through microphone cables to operate microphones that contain active electronic circuitry

A type of microwave network

plural of phase shifter

Alternative spelling of oropharynx

(mathematics) A problem of oscillation at the edges of an interval that occurs when using polynomial interpolation with polynomials of high degree over a set of equispaced interpolation points.

(mathematics) A behaviour of the Fourier series approximation at a jump discontinuity of a piecewise continuously differentiable periodic function, such that partial sums exhibit an oscillation peak adjacent the discontinuity that may overshoot the function maximum (or minimum) itself and does not disappear as more terms are calculated, but rather approaches a finite limit.

(biology) The phenotype extended to include effects that genes have on their environment. (ex.: beaver dams, spider webs, ant colonies, a caddis fly's protective cases, etc.)

(soccer) A ghost goal.

plural of phi phenomenon

The optical illusion whereby viewing a series of still images in rapid succession gives the impression of continuous motion.