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trigonal

/trig-uh-nl/US // ˈtrɪg ə nl //UK // (ˈtrɪɡənəl) //

三角形,三边形,三角形的,三棱形

Related Words

Definitions

adj.形容词 adjective
  1. 1
    • : of, relating to, or shaped like a triangle; having three angles; triangular.
    • : Crystallography. having threefold symmetry.

Synonyms & Antonyms

Examples

  • Orifice either large and rounded-trigonal, or small and oval, either entire or less frequently toothed.

  • Parietes ribbed, mottled purplish-red; orifice broad, trigonal, hardly toothed.

  • The horns are trigonal, laterally compressed and knotted on the upper edge.

  • When the whorls are angulated, a trigonal aperture is the result, as in many species of Trochus.

  • Mactracea (plates, fig. 77 to 88), the cartilage placed in a trigonal pit, with a small external ligament.