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

plural of pyramid

The game of pyramid pool.

Third-person singular simple present indicative form of pyramid

plural of pyramidal

(organic chemistry) distorted towards a tetrahedral molecular geometry.

plural of pyramidalization

The deformation of a trigonal planar molecule into a tetrahedral arrangement.

The practice of an athlete progressively increasing the dosage of an illicit drug to a maximum, and then progressively lowering it, between competitions so as to reduce the chances of being caught.

present participle of pyramid