electron affinity

noun Physics, Chemistry.

the quantitative measure, usually given in electron-volts, of the tendency of an atom or molecule to capture an electron and to form a negative ion.

Words nearby electron affinity

electromotive series, electromyogram, electromyograph, electromyography, electron, electron affinity, electron camera, electron capture, electron carrier, electron diffraction, electron gun

British Dictionary definitions for electron affinity

electron affinity

noun

a measure of the ability of an atom or molecule to form a negative ion, expressed as the energy released when an electron is attached Symbol: A