Phrase guide

radioactive dating

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

The process of determining the age of a material by estimating the amount of radioactive decay of one or more radioisotopes present in the material when it was formed.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: radiometric dating

Antonyms: none provided

2

noun

Meaning 2

measurement of the amount of radioactive material (usually carbon 14) that an object contains; can be used to estimate the age of the object

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: measurement, measuring, measure, mensuration

History

Etymology

No etymology was provided for this word.

Across languages

Translations

12 source translations are retained for this English entry.

  • Afrikaans: radiometriese datering — process of determining age by estimating radioactive decay
  • Dutch: radiometrische datering — process of determining age by estimating radioactive decay
  • Finnish: radioaktiivinen iänmääritys — process of determining age by estimating radioactive decay
  • German: radiometrische Datierung — process of determining age by estimating radioactive decay
  • German: radioaktive Datierung — process of determining age by estimating radioactive decay
  • German: Radiodatierung — process of determining age by estimating radioactive decay
  • Italian: datazione radiometrica — process of determining age by estimating radioactive decay
  • Italian: radiodatazione — process of determining age by estimating radioactive decay
  • Polish: datowanie izotopowe — process of determining age by estimating radioactive decay
  • Polish: datowanie promieniotwórcze — process of determining age by estimating radioactive decay
  • Polish: radiodatowanie — process of determining age by estimating radioactive decay
  • Polish: radiochronologia — process of determining age by estimating radioactive decay