Standard Lemma guide

radiocarbon

noun · 2 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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1

noun

Meaning 1

A radioactive isotope of carbon, especially 146C.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a radioactive isotope of carbon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: carbon 14

Antonyms: none provided

Broader terms: carbon, C, atomic number 6

History

Etymology

Etymology tree Latin radiusder. English radio- Proto-Indo-European *kerh3-der.? Latin carbōnemlbor. French carbonebor. English carbon English radiocarbon From radio- + carbon.

Across languages

Translations

8 source translations are retained for this English entry.

  • Catalan: radiocarboni — radioactive isotope of carbon
  • Chinese Mandarin: 放射性碳 (fàngshèxìngtàn) — radioactive isotope of carbon
  • Finnish: radiohiili — radioactive isotope of carbon
  • Finnish: radioaktiivinen hiili — radioactive isotope of carbon
  • Hebrew: רדיו־פחמן (radyo-pakhmán) — radioactive isotope of carbon
  • Irish: radacarbón — radioactive isotope of carbon
  • Tibetan: འགྱེད་འཕྲོའི་ཁར་སྦོན ('gyed 'phro'i khar sbon) — radioactive isotope of carbon
  • Tibetan: འགྱེད་འཕྲོའི་ནག་རྫས ('gyed 'phro'i nag rdzas) — radioactive isotope of carbon
Real reading context

radiocarbon in complete knowledge articles