noun. a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite.
- chemical element
- semiconducting material
- atomic number 32
Example sentences of the word germanium
1. Noun, singular or mass
Diodes are formed from semiconductors such as silicon or germanium that are doped to form what is known as a PN junction.
2. Verb, base form
It is also added to germanium and silicon to increase conductivity, according to the University of California.