Dictionary

Words, grammatical forms and meanings linked to the ontology.

rubidium-strontium en · NOUN

Meanings

(attributive, uncountable) 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