(electricity) Using three separate alternating currents of the same voltage at different phases.

plural of intermetallic phase

plural of disperse phase

plural of phase transition

A form of light microscopy in which small differences in refractive index of a transparent specimen are converted into amplitude (contrast) differences in the final image.

A microscope that uses the change of phase when light is transmitted or reflected from a transparent or reflective specimen to form an image; used especially to study living cells.

(electronics) an electronic circuit used to lock an oscillator in phase with an arbitrary input signal

(chemistry) A process in which the rate of a reaction in a heterogeneous two-phase system is enhanced by the addition of a substance that transfers one of the reactants across the interface between the two phases.

plural of acute-phase protein

(biochemistry, immunology) Any of a class of proteins whose plasma concentrations change in response to inflammation, such as C-reactive protein.