Electric Permittivity of Vacuum

**Semantic type:** Quantitative Concept

**Definition:** A constant of proportionality that exists between electric displacement and electric field intensity in a vacuum. This constant is equal to approximately 8.854187817x10E-12 farad per meter (F/m).

**Synonyms:** - Electric Constant - Permittivity of Free Space - [eps_0] - [eps_0] - eps_0 - permittivity of vacuum - permittivity of vacuum