Trigonal is a 8 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 12 points.
You can make 422 anagrams from letters in trigonal (agilnort).
First recorded in 1560-70; trigon + -al1
trigonal trapezohedron (fig. 74), bounded by six trapezoidal faces.
When the whorls are angulated, a trigonal aperture is the result, as in many species of Trochus.
All the prisms are trigonal prisms; and perpendicular to these are two pedions.
Fig. 73 represents a crystal of tourmaline with the trigonal prism , hexagonal prism , and a trigonal pyramid at each end.
The cartilage placed in a trigonal pit with a small external ligament.
All other forms, in which the faces are neither parallel nor perpendicular to the triad axis, are trigonal pyramids.
Parietes ribbed, mottled purplish-red; orifice broad, trigonal, hardly toothed.
The leaves are trigonal; they are very short, and they are laid over each other like scales in four rows.
Mactracea (plates, fig. 77 to 88), the cartilage placed in a trigonal pit, with a small external ligament.
The horns are trigonal, laterally compressed and knotted on the upper edge.
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