isoelectronic

[ ahy-soh-i-lek-tron-ik, -ee-lek- ]
/ ˌaɪ soʊ ɪ lɛkˈtrɒn ɪk, -ˌi lɛk- /

adjective Physics, Chemistry.

noting or pertaining to atoms and ions having an equal number of electrons.
noting or pertaining to atoms, radicals, or ions having either an equal number of electrons or an equal number of valence electrons.

Origin of isoelectronic

First recorded in 1925–30; iso- + electronic

Words nearby isoelectronic

isoelectric, isoelectric electroencephalogram, isoelectric line, isoelectric period, isoelectric point, isoelectronic, isoenergetic, isoenzyme, isoerythrolysis, isoflavone, isoflurane

British Dictionary definitions for isoelectronic

isoelectronic
/ (ˌaɪsəʊɪlɛkˈtrɒnɪk) /

adjective

(of atoms, radicals, or ions) having an equal number of electrons or a similar configuration of electrons