(organic chemistry) distorted towards a tetrahedral molecular geometry.

A set of ancient pyramidal-shaped constructions in Egypt, mostly built as tombs for the pharaohs.

pyramidic

Of or pertaining to a pyramid; having the form or imposing presence of a pyramid; pyramidal.

(anatomy) One of the carpal bones.

To build up or be arranged in the form of a pyramid. / (transitive, genetics) To combine (a series of genes) into a single genotype. / (intransitive) To employ, or take part in, a pyramid scheme.

An ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mesoamerica.

(geometry) Pyramid-shaped. / (crystallography) Tetragonal.

Like a pyramid; in a pyramidal manner or shape.

The game of pyramid pool.