caesium 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
Hypernym
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Substance_meronym
pollucite 1
noun
a rare mineral that is an important source of cesium
EnglishHyponym
cesium 137 1
noun
a radioactive isotope of cesium used in radiation therapy
Substance_holonym
pollucite 1
noun
a rare mineral that is an important source of cesium
