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peroral
perorate
perovskite
peroxidase
peroxide
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perp walk
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permittivity

per·mit·tiv·i·ty [ pùrmi tívvətee ] (plural per·mit·tiv·i·ties)


noun 
Definition:
 
electrical storage ability: the measure of the ability of a nonconducting material to retain electric energy when placed in an electric field.
Symbol  ε


[Late 19th century. <permit, after conductivity]
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