URANIUM
Set to 2 different clues across 2 published puzzles, most often “Constituent of pitchblende” — The New York Times, Friday, 20 April 2001.
7 letters
Every clue on record, most used first
- Constituent of pitchblendeonce
The New York Times — Friday, 20 April 2001
- Pitchblende ingredientonce
The New York Times — Sunday, 8 January 1995