“The particles may have any shape or size, but they are generally spherical, ellipsoidal, polyhedral, or irregular in shape.”

“You walked into a courtyard lined with Saracenic arches rising from polyhedral capitals.”

“The bases of the radial spines are connected by prominent concave crests, which form the edges of the polyhedral shell.”

“Limited-complexity polyhedric methods are presented for estimating the parameters of a linear model from bounded-error data.”

“The polyhedric method was invented by Paul Feautrier of the PRiSM laboratory of University of Versailles.”

“The crystal discovered in Hepu is mostly colourless or purple, with the colourless kind dominant, and found as beads of round, tubular and polyhedric shape.”