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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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 Scientists began replacing planar sensors in the detectors deployed closest to the center of each collision. Liz Wegerer, IEEE Spectrum, 24 Feb. 2026 The new Audeze LCD-5s planar magnetic headphones will be on show at NAMM 2026. Mark Sparrow, Forbes.com, 22 Jan. 2026 To confirm an asteroid impact, researchers analyzed the quartz for planar deformation features. Bojan Stojkovski, Interesting Engineering, 25 Oct. 2025 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 3 Mar. 2026.

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