Definition of electret in English:


Syllabification: e·lec·tret
Pronunciation: /iˈlektrit


  • A permanently polarized piece of dielectric material, analogous to a permanent magnet.
    More example sentences
    • There are mini headphone and microphone jacks - the unit includes a pair of headphones with a tiny electret mic attached on a boom - and a proprietary USB jack with cable supplied.
    • The electret microphone (range, 20 to 25,000 Hz within three decibels) was fixed in a polyester cover.
    • A small electret condenser monaural microphone is found on the top panel next to its speaker, so you can annotate each image with your own voice.


late 19th century: blend of electricity and magnet.

More definitions of electret

Definition of electret in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day mage
Pronunciation: māj
a magician or learned person