Definitions for rubidic
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Random House Webster's College Dictionary
ru•bid•i•umruˈbɪd i əm(n.)
a silver-white, metallic, active element resembling potassium, used in photoelectric cells and radio vacuum tubes. Symbol: Rb; at. wt.: 85.47; at. no.: 37; sp. gr.: 1.53 at 20°C.
Category: Chemistry
Origin of rubidium:
< G (1861), = L rūbid(us) red (in allusion to the two red lines in its spectrum) +-ium -ium2
ru•bid′ic(adj.)
Webster Dictionary
Rubidic(adj)
of or pertaining to rubidium; containing rubidium
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