Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Problem:Cerium ( IV ) oxide is an oxide of the rare earth metal cerium .
Solution:
Cerium ( IV ) oxide , also known as ceric oxide , ceric dioxide , ceria , cerium oxide or cerium dioxide , is an oxide of the rare-earth metal cerium .