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誘電率 (ゆうでんりつ, yuudenritsu) Japanese meaning | Kotomora
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The permittivity of vacuum is one of the physical constants.
Please measure the dielectric constant of this material.
Related words 透とう 磁じ 率りつ 透磁率 is magnetic permeability, while 誘電率 is dielectric permittivity. Both are material properties in electromagnetism.
導どう 電でん 率りつ 導電率 is electrical conductivity, a measure of how easily current flows. 誘電率 relates to electric field storage, not current flow.
Etymology Compound of 誘電 (yūden, 'dielectric') and 率 (ritsu, 'rate' or 'coefficient'). 誘電 itself is a wasei-kango formed from 誘 (induce) and 電 (electricity).