from Wiktionary, Creative Commons Attribution/Share-Alike License.
Strong, permanent magnets that are made from alloysof rare earth elements, are much stronger than ferriteor alnicomagnets, and are extremely brittle.
Sorry, no etymologies found.
Help support Wordnik (and make this page ad-free) by adopting the word rare earth magnet.
Sorry, no example sentences found.
Log in or sign up to get involved in the conversation. It's quick and easy.