Rubidium-strontium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87. attributive, uncountable

    "Isotopic dating of meteorites using the rubidium-strontium system and others indicates that the most primitive rocks in the solar system are 4.56 billion years old, determined rather precisely."

Synonyms

All synonyms
rb-sr

Example

More examples

"Isotopic dating of meteorites using the rubidium-strontium system and others indicates that the most primitive rocks in the solar system are 4.56 billion years old, determined rather precisely."

More for "rubidium-strontium"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

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