Abapical

//aˈbapɪkl// adj

Definitions

Adjective
  1. 1
    Of or pertaining to something at its lowest point; designating the part opposite to the apex. not-comparable

    "1946—Cushman, Joseph A. (1946). Upper Cretaceous Framinifera of the Gulf Coastal Region of the United States and Adjacent Areas. Professional Paper 206. Washington, D. C.: U. S. Department of the Interior, Geological Survey. p. 70 – via Google Books. The deck, which is not far below the aperture, has a narrow indentation on the abapical side and a wider indentation on the adapical side."

Etymology

From ab- + apical.

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