planar C2+ Topic:Describing Qualities US /ˈpleɪnɚ/ UK /ˈpleɪnə/ See IPA manual Meanings 1 adj lying in or relating to a single plane; flat The chip's planar surface was etched with circuits. Thesaurus Synonyms 1 adj · lying in or relating to a... flatleveltwo-dimensionalevenplane ↔ Opposites curvedthree-dimensionalsolid Word family Derived forms planarity Related forms planeplain Etymology AI details From Latin planaris ('flat, in a plane'), from planum ('flat surface'), from planus ('flat, level'). planaris Latin planus Latin View etymology graph -> Topics Describing Qualities Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # planar **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˈpleɪnɚ/ **IPA (UK):** /ˈpleɪnə/ ## Meanings 1. lying in or relating to a single plane; flat ## Examples - The chip's planar surface was etched with circuits. ## Synonyms - flat - level - two-dimensional - even - plane ## Antonyms - curved - three-dimensional - solid ## Derived Forms - planarity ## Related Forms - plane - plain ## Roots and Affixes - Root: planaris - Root: planus ## Etymology From Latin planaris ('flat, in a plane'), from planum ('flat surface'), from planus ('flat, level'). ## AI Etymology Planar comes from Latin planaris ('flat, in a plane'), from planum ('flat surface'), from planus ('flat, level'). The etymological trail includes Latin planaris and Latin planus. As an adjective, planar means lying in or relating to a single plane; flat. The same family is visible in derived forms such as planarity and related forms such as plane and plain. ## Topics - Describing Qualities - Word Formation & Derivatives markdown