Wiktionary
n. (context mathematics English) Any of a class of solids formed from two pyramids placed symmetrically base to base.
Wikipedia
Dipyramid is a pair of mountain peaks in borough of Juneau, Alaska, United States. It is a part of the Boundary Ranges of the Coast Mountains in western North America. The summit is north-northeast of the city of Juneau and 1 mile southeast of The Citadel. The peaks are miles apart.
Dipyramid was named by the Juneau Icefield Research Project in 1964, published by the United States Geological Survey in 1966, and entered into the Survey's Geographic Names Information System on January 1, 2000.
One of two August 1999 collections of seismic data on the nearby Demorest Glacier was conducted near Dipyramid.
Usage examples of "dipyramid".
The khaltezoot, or pentagonal dipyramid within will spin and produce an image.