See Also: tetarto-(dictionary)

tetarto- (iou)



tetarto- combining form.
[from Greek tetartos fourth: see -O-.]
Crystallography. Forming adjectives and related nouns with ref. to crystal forms having one fourth of the holohedral number of faces etc.
tetarto'hedral adjective having a quarter of the number of faces as the holohedral class of the crystal system concerned M19.
tetarto'hedrism noun the property or quality of crystallizing in tetartohedral forms M19.
tetarto'hedron noun, pl.-dra, -drons, a tetartohedral crystal L19.