[ pur-mi-tiv-i-tee ]
/ ˌpɜr mɪˈtɪv ɪ ti /
noun, plural per·mit·tiv·i·ties.
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.
5 Relative Pronouns That We Use Every DaySpoilers: We’ll be diving into who vs. whom in this one! The first thing we should mention is that relative pronouns introduce relative clauses. A relative clause is a type of dependent clause (a clause that can’t stand by itself as a complete sentence). It adds extra information to a sentence. The five relative pronouns are who, whom, whose, which, and that. Who vs. Whom …
That vs. WhichTo understand when to use that vs. which, it’s important to keep in mind the difference between and restrictive and nonrestrictive clauses. In formal American English, that is used in restrictive clauses, and which in used in nonrestrictive clauses. A restrictive clause contains information that limits the meaning of the thing being talked about. For example, in the sentence “Any book that you like must …
- permonosulfuric acid,
- permutation group,
Origin of permittivity
Also called dielectric constant, relative permittivity, specific inductive capacity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the ratio of the permittivity of a substance to that of free spaceSymbol: ε r Also called: dielectric constant
/ (ˌpɜːmɪˈtɪvɪtɪ) /
noun plural -ties
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The ratio of the magnetic permittivity of a substance to the permittivity of a vacuum.
[ pûr′mĭ-tĭv′ĭ-tē ]
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.