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Definition of "tetragonal" [te•trag•o•nal]

  • Having four sides (as a tetragon); quadrilateral. (adjective)
  • Having two equal axes and one unequal, and all angles 90°. (adjective) : Text is available under the Creative Commons Attribution-ShareAlike License

Use "tetragonal" in a sentence
  • "Rutile is made up mostly of titanium dioxide with two rarer polymorphs anatase or octahedrite, which is a tetragonal mineral of pseudo-octahedral habit, and brookite, which is an orthorhombic mineral, the Doctor explained to her."
  • "Such an organism would draw not a triangle-based color-wheel but a tetragonal color-sphere."
  • "One of the most arresting pictures is Karl Benjamin's 1957 oil-on-linen "Small Planes: White, Blue, and Pink," whose multiple tetragonal shapes look like boxes that have been mounted, or spread, but simultaneously seem to float weightlessly on the picture plane."