neodymium Meaning, Definition & Usage

  1. noun a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
    atomic number 60; Nd.

WordNet

Ne`o*dym"i*um noun
Etymology
NL. Dee Neo-, and Didymium.
Definitions
  1. (Chem.) An elementary substance which forms one of the constituents of didymium. Symbol Nd. Atomic weight 140.8.

Webster 1913