from The Century Dictionary.

  • In mathematics, pertaining to or dividing into quadrilaterals
  • Same as tessellar.
  • In crystallography, same as isometric.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of, pertaining to, or containing, tesseræ.
  • adjective (Crystallog.) Isometric.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of, or pertaining to, tessarae.
  • adjective isometric.
  • adjective mathematics Describing number systems, algebras, and algorithms over labeled hierarchical subdivisions of space.


from Wiktionary, Creative Commons Attribution/Share-Alike License

Blend of tessara and numeral, used in 1983 to describe such systems over various isohedral tilings of the plane.


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  • Similarly, in the last elements of mineralogy I took up, the first order of crystals was called 'tesseral'; the writer being much too fine to call them 'four-al,' and too much bent on distinguishing himself from all previous writers to call them cubic.

    Proserpina, Volume 2 Studies Of Wayside Flowers John Ruskin 1859

  • A 'Direct Method' mosaic courtyard made from irregular pebbles and stone strips, Li Jiang, Yunnan, PRC (China) The direct method of mosaic construction involves directly placing (gluing) the individual tesseral onto the supporting surface. - Business News 2010


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