planar

adjective

pla·​nar ˈplā-nər How to pronounce planar (audio)
-ˌnär
1
: of, relating to, or lying in a plane
2
: two-dimensional in quality
planarity
plā-ˈner-ə-tē How to pronounce planar (audio)
-ˈna-rə-
noun

Examples of planar in a Sentence

Recent Examples on the Web
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The planar glass and polished aluminum materials give the piece a more industrial feeling—a sensation juxtaposed by the LED strip within, which emits a soft, warm glow. Nicole Hoey, Robb Report, 31 Mar. 2026 To support this, the institute has come up with new hardware, including a planar galvanometer scanner for ultra-fast, high-precision beam steering. Georgina Jedikovska, Interesting Engineering, 26 Mar. 2026 Clearly referencing Constantin Brancusi’s polished reflective surfaces, Bove’s mirrors, rather than foregrounding the planar surface, do the precise opposite, dissolving it almost entirely into a play of chromatically variable reflections. Gordon Hughes, Artforum, 1 Mar. 2026 But as the large colliders grew more sophisticated and capable, the traditional planar silicon design couldn’t withstand the extreme radiation present at the epicenter of collider collisions. Liz Wegerer, IEEE Spectrum, 24 Feb. 2026 See All Example Sentences for planar

Word History

First Known Use

1850, in the meaning defined at sense 1

Time Traveler
The first known use of planar was in 1850

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Cite this Entry

“Planar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planar. Accessed 8 Apr. 2026.

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