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Definitions

planar

[pley-ner] / ˈpleɪ nər /
ADJECTIVE
even
Synonyms
WEAK
alike balanced consistent constant continual continuous direct equal flat flush homogenous horizontal level matching metrical parallel planate plane plumb proportional regular right same smooth square stabile stable steady straight surfaced true unbroken unchanging undeviating unfluctuating uninterrupted unvaried unvarying unwavering unwrinkled

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Inside its granite layers, researchers discovered numerous grains of quartz marked by tiny structures known as planar deformation features.

From Science Daily • Nov. 14, 2025

He had spent his life building a planar model of his ascent to the presidency, only to get whacked in the head by an unforeseen z-axis.

From Slate • Sep. 27, 2025

The circular shape at its heart in this case comes from a ring of benzene, and it is termed planar because it comes in thin, tabular lamination shapes.

From Science Daily • Nov. 14, 2024

Previously, achieving π-stacking in similar norcorroles failed because hydrogen-bonding interactions between the side chains opposed the face-to-face stacking of the planar antiaromatic units.

From Science Daily • May 23, 2024

Assuming there are fifteen grains per linear inch, there are 15 x 15 per planar inch and 153 grains per cubic inch.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos