cerium

/หˆsษชษ™ษนiษ™m/

IPA: /S EH0 R IY0 AH0 M/

noun
  1. 1

    A chemical element (symbol Ce) with an atomic number of 58, a very soft, ductile, silvery-white metal that tarnishes when exposed to air.

Source: https://en.wiktionary.org/wiki/cerium