noun
- a former name for the chemical element technetium
Usage: chemistry; historical
Examples
- Masurium was the name originally proposed for element 43.
- Scientists later discovered that masurium was actually technetium.
- The element masurium was claimed to be discovered in 1925.
- Masurium is no longer used as a name in modern chemistry.
- The periodic table once listed masurium before technetium was confirmed.