Hierarchy:
Description:
{{chemistry}} any oxide of rubidium, but especially the yellow solid Rb<sub>2</sub>O; it is a strong base, reacting strongly with water to form the hydroxide and with acids to form normal salts
Ngram:
Ngram Text:
rubidium oxide
Source:
Wiktionary
Issue:
0
Wiktionary tag:
Ngram Count:
2