[pur-mi-tiv-i-tee] /ˌpɜr mɪˈtɪv ɪ ti/
noun, plural permittivities.
Electricity. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum.
noun (pl) -ties
a measure of the response of a substance to an electric field, expressed as the ratio of its electric displacement to the applied field strength; measured in farads per metre ε See also relative permittivity, electric constant
A measure of the ability of a material to resist the formation of an electric field within it, equal to the ratio between the electric flux density and the electric field strength generated by an electric charge in the material.
[per-mon-oh-suhl-fyoo r-ik] /pərˈmɒn oʊ sʌlˈfyʊər ɪk/ noun, Chemistry. 1. (def 1).
[per-myoot] /pərˈmyut/ verb (used with object), permuted, permuting. 1. to alter; change. 2. Mathematics. to subject to . /pəˈmjuːt/ verb (transitive) 1. to change the sequence of 2. (maths) to subject to permutation v. late 14c., “to change one for another,” from French permuter or directly from Latin permutare “to change thoroughly” (see permutation). Mathematical […]
[pur-myoo-teyt, per-myoo-teyt] /ˈpɜr myʊˌteɪt, pərˈmyu teɪt/ verb (used with object), permutated, permutating. 1. to cause (something) to undergo permutation. 2. to arrange (items) in a different sequence. /ˈpɜːmjʊˌteɪt/ verb 1. to alter the sequence or arrangement (of); treat by permutation: endlessly permutating three basic designs v. 1898 in modern use, “change the order of,” from […]
[pur-myoo-tey-shuh n] /ˌpɜr myʊˈteɪ ʃən/ noun 1. the act of permuting or permutating; alteration; transformation. 2. Mathematics. /ˌpɜːmjʊˈteɪʃən/ noun 1. (maths) 2. a combination of items made by reordering 3. an alteration; transformation 4. a fixed combination for selections of results on football pools Usually shortened to perm n. mid-14c., from Old French permutacion “change, […]
noun 1. a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.