Rb - Definition
rb
n 1: 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 [syn: rubidium,
Rb, atomic number 37]
n 1: 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 [syn: rubidium,
Rb, atomic number 37]