germanium
germanium — noun
1. a hard, grey-white chemical element (symbol Ge) that has properties of both a me
a hard, grey-white chemical element (symbol Ge) that has properties of both a metal and a non-metal, making it useful in electronic devices such as transistors, infrared lenses, and solar panels
The first transistor, made in 1947, used a thin slice of germanium.
germanium + transistor — historical significance
Engineers mix germanium with other elements to create special electronic materials.
When heated to high temperatures, germanium turns into a liquid for crystal growth.
Dr. Ananya Shah uses germanium detectors to measure radiation from distant stars.
A germanium lens focuses infrared light that the human eye cannot see.
用法筆記
Frequently used as a modifier before nouns such as 'wafer', 'crystal', 'detector', 'lens', and 'diode'. As a chemical element, it is treated as an uncountable noun in most contexts (e.g., 'Germanium is mined in small quantities').