See Also: tetrahedral(medicine)
tetrahedral(dictionary)
Tetrahedral - Golf(gambling)
Divine Providence Health Center Avera Health(health)
Dells Area Health Center Avera Health(health)
Hegg Memorial Health Center Avera Health(health)
Man's health(health)
health(dictionary)
Health Net(finance)
IMS Health(finance)

Cholecystitis (health) and tetrahedral (iou)


Cholecystitis (health)


An irritated gallbladder.





tetrahedral (iou)



tetrahedral adjective. L18.
[from late Greek tetraedros (see TETRAHEDRON) + -AL1. Cf. -HEDRAL.]
Of a prism, pyramid, etc.: having four sides or faces (in addition to the base or ends); bounded by four plane surfaces. L18.
Of, pertaining to, or having the form of a tetrahedron; having axes of symmetry corresponding to the vertices of a tetrahedron; spec. in Crystallography, belonging to a division of the cubic system in which the regular tetrahedron is the characteristic form. E19.
Special collocations: tetrahedral number each of the series of integers 1, 4, 10, 20,..., the nth member of which is the sum of the first n triangular numbers.
tetrahedrally adverb in a tetrahedral manner or form M19.
tetrahedric adjective tetrahedral: only in L19.