cerium

As a pronoun ce

is what.

As a noun cerium is

cerium.

As nouns the difference between cerium and corium

is that cerium is cerium while corium is (anatomy) the inner layer of skin, the dermis or corium can be (nuclear physics) the lavalike material produced in a nuclear meltdown.

As nouns the difference between cerium and cesium

is that cerium is a metallic chemical element (symbol Ce) with an atomic number of 58 while cesium is an alternative spelling of lang=en.

As nouns the difference between cerium and curium

is that cerium is cerium while curium is curium.

As nouns the difference between cerium and parisite

is that cerium is cerium while parisite is (mineralogy) a rare mineral consisting of cerium, lanthanum and calcium fluorocarbonate.

As nouns the difference between cerium and fluorcaphite

is that cerium is cerium while fluorcaphite is (mineral) a hexagonal-pyramidal mineral containing calcium, cerium, fluorine, oxygen, phosphorus, sodium, and strontium.

As nouns the difference between cerium and rinkite

is that cerium is a metallic chemical element (symbol Ce) with an atomic number of 58 while rinkite is a monoclinic-sphenoidal mineral containing calcium, cerium, fluorine, niobium, oxygen, silicon, sodium, and titanium.

As nouns the difference between cerium and loveringite

is that cerium is cerium while loveringite is (mineralogy) a trigonal-rhombohedral black mineral containing aluminum, calcium, cerium, chromium, iron, magnesium, oxygen, titanium, vanadium, and zirconium.

As nouns the difference between cerium and kochite

is that cerium is cerium while kochite is (mineralogy) a triclinic-pinacoidal mineral containing aluminum, calcium, cerium, fluorine, hafnium, iron, lanthanum, manganese, niobium, oxygen, silicon, sodium, strontium, titanium, vanadium, yttrium, and zirconium.