(geometry) A linear stacking of regular tetrahedra, arranged so that the edges of the complex that belong to only one tetrahedron form three intertwined helices.

clomethiazole

(intransitive) To move with rhythmic steps or movements, especially in time to music. / (intransitive) To leap or move lightly and rapidly. / (transitive) To perform the steps to.

plural of propylaeum