noun. a crystalline metallic element not found in nature; occurs as one of the fission products of uranium.
- atomic number 43
- -ium (English)
- -um (Latin)
- techno- (English)
- τέχνη (Ancient Greek (to 1453))
Example sentences of the word technetium
1. Noun, singular or mass
It is an isotope of an artificial element, technetium, with a half-life of six hours, which provides enough time to perform the necessary diagnostic procedures, but provides patient safety.