|te.trə+ noun
Etymology: New Latin, from tetra- + hexahedron
: a form of the isometric system bounded by 24 congruent isosceles-triangular faces with four to each face of the cube
|te.trə+ noun
Etymology: New Latin, from tetra- + hexahedron
: a form of the isometric system bounded by 24 congruent isosceles-triangular faces with four to each face of the cube
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012