different between tetrakaidekahedron vs tetrakaidekahedral

English

From tetrakaideka- +? -hedron.

tetrakaidekahedron (plural tetrakaidekahedrons or tetrakaidekahedra)

(mathematics) A solid figure having fourteen faces.
- 2011, Terence Allen and Graham Cowling, The Cell: A Very Short Introduction, Oxford 2011, p. 81:
  Two large flat surfaces and twelve edge facets make each squame a fourteen-sided solid or tetrakaidecahedron.

From tetrakaideka- +? -hedral.

tetrakaidekahedral (not comparable)

In the form of a tetrakaidekahedron.
- 1992, D'Arcy Wentworth Thompson, On Growth and Form
  These figures indicate the general symmetry of the cells, their departure from the dodecahedral, and their tendency towards the tetrakaidekahedral, form.

Send