Standard Lemma guide

nuclide

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈn(j)uːklaɪd/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

An atomic nucleus specified by its atomic number and atomic mass.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From nucleus + -ide. Coined by American chemist Truman Kohman in 1947 in an article in the American Journal of Physics, in which he defines nuclide as "a species of atom characterized by the constitution of its nucleus, in particular by the numbers of protons and neutrons in its nucleus."

Across languages

Translations

18 source translations are retained for this English entry.

  • Catalan: núclid — nucleus specified by its atomic number and atomic mass
  • Chinese Mandarin: 核素 (hésù) — nucleus specified by its atomic number and atomic mass
  • Chinese Mandarin: 核種 /核种 (hézhǒng) — nucleus specified by its atomic number and atomic mass
  • Finnish: nuklidi — nucleus specified by its atomic number and atomic mass
  • French: nucléide — nucleus specified by its atomic number and atomic mass
  • German: Nuklid — nucleus specified by its atomic number and atomic mass
  • Italian: nuclide — nucleus specified by its atomic number and atomic mass
  • Japanese: 核種 (kakushu) — nucleus specified by its atomic number and atomic mass
  • Korean: 핵종 (haekjong) — nucleus specified by its atomic number and atomic mass
  • Polish: nuklid — nucleus specified by its atomic number and atomic mass
  • Portuguese: nuclídeo — nucleus specified by its atomic number and atomic mass
  • Russian: нукли́д (nuklíd) — nucleus specified by its atomic number and atomic mass
  • Spanish: nucleido — nucleus specified by its atomic number and atomic mass
  • Spanish: núclido — nucleus specified by its atomic number and atomic mass
  • Swedish: nuklid — nucleus specified by its atomic number and atomic mass
  • Thai: นิวไคลด์ — nucleus specified by its atomic number and atomic mass
  • Turkish: nüklit — nucleus specified by its atomic number and atomic mass
  • Ukrainian: нуклі́д (nuklíd) — nucleus specified by its atomic number and atomic mass