15-letter words containing e, x, c, u
- unprotected sex — an act of sexual intercourse or sodomy performed without the use of a condom, thus involving the risk of sexually transmitted diseases
- user experience — Digital Technology. the perception and response of a person toward design elements of software or digital media while interacting with it. Abbreviation: UX.
- 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.