평면과 관련되거나, 평면 위에 있거나, 평평한 표면의 형태를 가진.
Relating to, lying in, or having the form of a flat surface or plane.
예문:
"The architect used planar surfaces to create a minimalist aesthetic in the building's design."
"In geometry, a planar graph is one that can be drawn in the plane without any edges crossing."
"The chemical molecule has a planar structure, meaning all its atoms lie on the same flat surface."