May 31, 2026 · : an ancient massive structure found especially in Egypt having typically a square ground plan, outside walls in the form of four triangles that meet in a point at the top, and inner sepulchral …

PYRAMIDAL definition: of, relating to, or shaped like a pyramid. See examples of pyramidal used in a sentence.

The term pyramidal tracts refers to upper motor neurons that originate in the cerebral cortex and terminate in the spinal cord (corticospinal) or brainstem (corticobulbar).

The hall was covered with a pyramidal roof resembling a tent + an appropriate architecture for a nomadic-warrior culture.

Nov 6, 2025 · The pyramidal tracts derive their name from the medullary pyramids of the medulla oblongata, which they pass through. These pathways are responsible for the voluntary control of the …

There are 13 meanings listed in OED's entry for the word pyramidal, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

A group of pyramidal neurons create a dense network of fibers that travels through the brain, along the brain stem, and into the spinal cord. Once in the spinal cord, the lower motor neurons connect with …

To place or build in the shape of a pyramid. 2. To build (an argument or thesis, for example) progressively from a basic general premise. 3. To speculate in (stock) by making a series of buying …

Something that is pyramidal is shaped like a pyramid. [formal].... Click for pronunciations, examples sentences, video.

Difluoroamine has a trigonal pyramidal molecular geometry. Because there is one hydrogen and two fluorines, and because of the lone pair of electrons on nitrogen, the molecule is not symmetrical, and …