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rubidium-strontium

rubidium-strontium noun: designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87.

Noun

rubidium-strontium (uncountable)

  1. (attributive) Designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87.
    • 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.1999, Jonathan I Lunine, Earth: Evolution of a Habitable World, page 101
    Synonyms:
    Rb-Sr

Synonyms of rubidium-strontium

Questions about rubidium-strontium

What does rubidium-strontium mean?
Rubidium-strontium means designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87.
What part of speech is rubidium-strontium?
Rubidium-strontium is a noun.

Words near rubidium-strontium in the dictionary

  1. rubidium
  2. rubidium chloride
  3. rubidium nitrate
  4. rubidium oxide
  5. rubidium oxides
  6. rubidium-strontium
  7. rubidiums
  8. rubidomycin
  9. rubidus
  10. rubiduses
  11. rubied

Source and license

Adapted from Wiktionary: rubidium-strontium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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