Geochronology

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The science of dating samples of rock or sediment. uncountable

    "Geochronology allows us to see more precisely how the world has evolved."

  2. 2
    Any one of the methods by which the age of different samples of rock can be determined. countable

    "The history of the East–Antarctic shield has been uncovered through uranium–lead geochronology."

  3. 3
    The division of ancient time into named subdivisions / periods uncountable

Example

More examples

"Geochronology allows us to see more precisely how the world has evolved."

Etymology

From geo- + chronology.

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