: exhibiting properties (such as velocity of light transmission) with the same values when measured along axes in all directions
an isotropic crystal

isotropy

2 of 2

noun

isot·​ro·​py
plural -es
: the quality or state of being isotropic

Examples of isotropic in a Sentence

Recent Examples on the Web
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Adjective
In other words, an isotropic Universe has no preferred direction. Big Think, 27 Mar. 2026 In cosmology, a central tenet is that space must, on average, be homogeneous and isotropic. James Geach, Discover Magazine, 26 Oct. 2017 This may have been a form of punishment or sacrifice of the group's social outcasts, but isotropic analysis revealed otherwise. Jennifer Ouellette, ArsTechnica, 21 Aug. 2025 The team also identified a recurring structural signature across all isotropic bandgap materials. Neetika Walter, Interesting Engineering, 6 Nov. 2025 See All Example Sentences for isotropic

Word History

Etymology

Adjective

iso- + -tropic

Noun

International Scientific Vocabulary isotropic + -y, noun suffix

First Known Use

Adjective

1856, in the meaning defined above

Time Traveler
The first known use of isotropic was in 1856

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Cite this Entry

“Isotropic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotropic. Accessed 7 Jul. 2026.

Medical Definition

1
: exhibiting properties (as velocity of light transmission) with the same values when measured along axes in all directions
an isotropic crystal
2
: lacking predetermined axes
an isotropic egg
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