trigonal

• Adjetivo pouco comum que significa triangular ou de três ângulos; atualmente é raro, usado sobretudo em contextos históricos ou de cristalografia.

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.

   Sinônimosrhombohedral