Assertion: tourmaline | /r/Synonym | permanent electret
Facets:
Source sentences:
text: Insofar as the conventional term "electret" corresponds to a magnet, tourmaline should be called a permanent electret, considering that it has permanent electrodes.
text: Insofar as the conventional term "electret" corresponds to a magnet, tourmaline should be called a permanent electret, considering that it has permanent electrodes.
text: Insofar as the conventional term "electret" corresponds to a magnet, tourmaline should be called a permanent electret, considering that it has permanent electrodes.