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
pollucite 1
noundomain: substance
Princeton WordNet [ver.3.1]
English
Definition
a rare mineral that is an important source of cesium
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