planular

/ˈplænjələr/
adjective
  1. Relating to or shaped like a small, flat plate or plane; having a flat, level surface.
    • The artist preferred planular surfaces for her minimalist sculptures.
    • Engineers studied the planular structure of the new material to ensure it would be stable.
    • The planular crystals in the rock sample were perfectly smooth and even.
Antonyms