noun. a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium.
1. Noun, singular or mass Set the head of a drywall screw onto the flat side of a neodymium disc magnet so that the screw stands straight up. 2. Adjective The extreme strength of the neodymium magnet makes it work even with a thick piece of fabric between it and the steel.
