gallium
/ˈɡæliəm/
noun
- A soft, silvery metal that melts at a low temperature (about 30°C or 86°F), used in electronics, thermometers, and some medical applications.
- Because gallium melts in your hand, it is sometimes used in magic tricks.
- The scientist demonstrated how gallium becomes liquid at just above room temperature.
- Gallium is often used in semiconductors for smartphones and computers.