trigonal

• Veraltetes Adjektiv mit der Bedeutung dreieckig oder dreiwinklig; wird heute selten verwendet, außer in spezialisierten historischen oder kristallographischen Kontexten.

An obsolete adjective meaning triangular or three-cornered; now rarely used except in specialized historical or crystallographic contexts.

1. Having threefold symmetryC2formalscientific

   Relating to or characterized by threefold symmetry, often used in crystallography to describe a crystal system.

   trigonal

   • The mineral calcite crystallizes in the trigonal system.
   • Trigonal symmetry is common in certain gemstones like quartz.
   • The crystal's trigonal structure was confirmed by X-ray diffraction.

   Synonymerhombohedral