n00992995
| type | n |
| lex_filenum | 04 |
| def | geological dating based on the proportions of radioactive rubidium into its decay product strontium |
| def | radioactive rubidium has a half-life of 47,000,000,000 years |
| Outgoing links | |
| Hypernym | dating, geological dating |
| Incoming links | |
| Hyponym | dating, geological dating |
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