Isotone

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of a number of nuclides of different elements that have the same number of neutrons.
Adjective
  1. 1
    monotone nondecreasing. not-comparable

Synonyms

All synonyms
isobarisomer

Etymology

Reinterpretation of the p in isotope as standing for proton, leading to a replacement with the letter n for neutron. Coined by German physicist Kurt Guggenheimer in 1934.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.