isoelectronic

adjective

iso·​elec·​tron·​ic ˌī-sō-i-ˌlek-ˈträ-nik How to pronounce isoelectronic (audio)
: having the same number of electrons or valence electrons
isoelectronically
ˌī-sō-i-ˌlek-ˈträ-ni-k(ə-)lē How to pronounce isoelectronic (audio)
adverb

Word History

Etymology

International Scientific Vocabulary

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of isoelectronic was in 1926

Rhymes for isoelectronic

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Browse Nearby Words

isoelectric focusing
isoelectronic
isoenzyme
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Cite this Entry

“Isoelectronic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isoelectronic. Accessed 7 Jul. 2026.

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