Search Result for "rubidium-strontium dating":
Wordnet 3.0

NOUN (1)

1. geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years; 



WordNet (r) 3.0 (2006):

rubidium-strontium dating
    n 1: geological dating based on the proportions of radioactive
         rubidium into its decay product strontium; radioactive
         rubidium has a half-life of 47,000,000,000 years