conoidal

/koʊˈnɔɪdəl/
adjective
  1. Shaped like a cone or resembling a conoid; nearly conical.
    • The conoidal tip of the pencil was sharpened to a fine point.
    • Geologists studied the conoidal formations in the cave.
    • The conoidal roof of the pagoda was covered in gold leaf.
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