| Answer | Crossword Clue |
|---|---|
| YTTRIA | Powder used in television tubes |
| YTTRIA | Powder used in color TV tubes |
| YTTRIA | Oxide used in television tubes |
| YTTRIUM | Element used in old television tubes |
| xenon | heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe; at. wt.: 131.30; at. no.: 54 |
| xenons | heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe; at. wt.: 131.30; at. no.: 54 |
