Synonyms and Antonyms for rubidium

1. rubidium (n.)

a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite

Synonyms: Antonyms:

2. rubidium-strontium dating (n.)

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