15-letter words containing c, o, e, x
- your-excellency — (usually initial capital letter). Also, Excellence. a title of honor given to certain high officials, as governors, ambassadors, and Roman Catholic bishops and archbishops (preceded by his, your, etc.).
- zirconium oxide — Chemistry. a white, heavy, amorphous, odorless and tasteless, infusible, water-insoluble powder, ZrO 2 , used chiefly as a pigment for paints, an abrasive, and in the manufacture of refractory crucibles.