obpyramid

English

Etymology

From ob- +‎ pyramid.

Noun

obpyramid (plural obpyramids)

  1. A pyramid with the apex downward; an inverse pyramid.

Derived terms

Adjective

obpyramid (comparative more obpyramid, superlative most obpyramid)

  1. In the shape of or resembling an obpryamid.
    • 2015, Li Bing Zhang, Anisophyllea sumatrana Li Bing Zhang, Xin Chen & H.He, 2015[1]:
      Fruits obpyramid, with four keel-shaped ridges, thickly woody, apically with four wings alternate positioned with ridges, pedicelled or sessile, end with persistent flower parts, persistent sepals conspicuous, elongated and thickened.