- the ratio of the permittivity of a substance to that of free space
WordReference Random House Unabridged Dictionary of American English © 2026
rel′ative permittiv′ity,
- Electricitypermittivity.
Collins Concise English Dictionary © HarperCollins Publishers::
relative permittivity n
'relative permittivity' also found in these entries (note: many are not synonyms or translations):