cesium
pronunciation
How to pronounce cesium in British English: UK ['si:zɪəm]
How to pronounce cesium in American English: US ['sizɪrm]
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- Noun:
- a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
Word Origin
- cesium (n.)
- 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.
Example
- 1. Cesium 137 is a much bigger worry .
- 2. Radioactive cesium was detected in broccoli in fukushima prefecture well above the country 's limit .
- 3. Shellfish live on the sea floor , accumulating and concentrating the cesium in their bodies .
- 4. Now we fix our rulers to the speed of light and our clocks to a spectral property of cesium .
- 5. Additionally , some areas near the crippled power plant , saw relatively large doses of radioactive cesium deposited on the ground .