permittivity
noun
per·mit·tiv·i·ty
ˌpər-ˌmi-ˈti-və-tē 
-mə-
: the ability of a material to store electrical potential energy under the influence of an electric field measured by the ratio of the capacitance of a capacitor with the material as dielectric to its capacitance with vacuum as dielectric
called also dielectric constant
Examples of permittivity in a Sentence
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The prototype was tested using fake blood, the permittivity of which could be easily manipulated for experimental purposes.
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IEEE Spectrum, 13 July 2023
As the blood flows through the dialysis tubes, the biosensor uses microwaves to analyze the permittivity of the blood, which indicates the blood’s waste and toxin levels.
—IEEE Spectrum, 13 July 2023
The fine structure constant is a combination of four other fundamental constants: the speed of light, the charge on the electron, Planck’s constant, and the permittivity of free space.
—Chris Lee, Ars Technica, 28 Apr. 2020
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IEEE Spectrum, 13 July 2023
As the blood flows through the dialysis tubes, the biosensor uses microwaves to analyze the permittivity of the blood, which indicates the blood’s waste and toxin levels.
—IEEE Spectrum, 13 July 2023
The fine structure constant is a combination of four other fundamental constants: the speed of light, the charge on the electron, Planck’s constant, and the permittivity of free space.
—Chris Lee, Ars Technica, 28 Apr. 2020
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Cite this Entry
“Permittivity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permittivity. Accessed 21 Nov. 2024.
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