noun
- a radioactive metallic chemical element with the symbol Es and atomic number 99, produced artificially in nuclear reactors
Usage: chemistry
Examples
- Einsteinium was first discovered in the debris of a hydrogen bomb test in 1952.
- Scientists can only produce tiny amounts of einsteinium in particle accelerators.
- The element einsteinium is named after physicist Albert Einstein.
- Einsteinium has a very short half-life and decays rapidly.
- Researchers study einsteinium to understand the properties of superheavy elements.
- Only a few atoms of einsteinium can be created at a time in laboratories.