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n. the compound cerium(IV) oxide

n. Cerium oxide, CeO2, a white infusible substance constituting about one per cent of the material of the common incandescent mantle.

n. A genus of dipterous insects, of the family Syrphidæ, having elongate antennæ with a terminal style.

n. [lowercase] An old name of some cestoid worm.

n. A drink made of corn; barley-water.

n. Cerium oxid: used in small proportion, with thoria or thorium oxid, in the mantles of Welsbach incandescent gas-lamps.

"But a little admixture, 1 percent if I recall, of ceria enables it to convert the flame's energy into the bright yellow-white light many of us have seen."

cerium dioxide    ceric oxide    cerium oxide