Dictionary

cesium 133

noun

Definition of CESIUM 133

:  an isotope of cesium used especially in atomic clocks and one of whose atomic transitions is used as a scientific time standard

First Known Use of CESIUM 133

1966

Browse

Next Word in the Dictionary: cesium clockPrevious Word in the Dictionary: cesiumAll Words Near: cesium 133
April 25, 2015
lissome Hear it
nimble or easily flexed
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears