An action (or series of actions) that, when performed, automatically selects a preferred outcome of several possible outcomes, depending on the actions of other actors.

(ecology) A theory regarding the selection of combinations of traits in an organism that represent a trade-off between quantity and quality of offspring.

Alternative form of ion selective electrode

(physics, chemistry) a membrane (e.g. of a chalcogenide glass) across which an electrical potential differs according to the concentration of a specific ion; used in ion-selective electrodes and in electrodialysis

An ion selective electrode used to measure the concentration of potassium ions, especially in biological fluids.

(chemistry, physics) An electrode whose potential is dependent on the concentration of a specific ion in the solution in which it is immersed.

plural of ion-selective membrane

plural of ion-selective electrode

plural of ion selective electrode

plural of potassium selective electrode