- caesarean section,
- caesium clock,
Origin of cesium
Examples from the Web for caesium
Lithia and fluorine are each present to the extent of about 5%; rubidium and caesium are sometimes present in small amounts.
The platino-chlorides are reduced by hydrogen, and the caesium and rubidium chlorides extracted by water.
Like caesium, it is precipitated with platinic chloride, and in the ordinary course of work would be weighed as potassium.A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
It led Bunsen himself almost immediately to the isolation of two new elements of the alkali group, caesium and rubidium.
The separation of caesium from the minerals which contain it is an exceedingly difficult and laborious process.
also caesium, rare alkaline metal, 1861, coined by Bunsen and Kirchhoff in 1860 in Modern Latin (caesium), from Latin caesius "blue-gray" (especially of eyes), in reference to the two prominent blue lines in its spectrum, by which it was first identified.