tetragonal
/tɛˈtræɡənəl/
adjective
- Relating to a crystal system or shape that has three axes at right angles, with two equal axes and one different in length.
- The mineral zircon has a tetragonal crystal structure.
- The jeweler explained that the gem's tetragonal shape affects how it reflects light.
- In the lab, we studied the tetragonal form of tin oxide.