cesium 137

1. 1.

   a radioactive isotope of cesium used in radiation therapy

   Broadercesium

Questions about cesium 137

What does cesium 137 mean?

cesium 137 means "a radioactive isotope of cesium used in radiation therapy".

Is cesium 137 a common word?

cesium 137 is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.