atomic number 55

Thesaurus

Noun

1.

atomic number 55 - a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal caesium, cesium, Cs metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. cesium 137 - a radioactive isotope of cesium used in radiation therapy pollucite - a rare mineral that is an important source of cesium

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.