IRIDIUM
Set to 5 different clues across 5 published puzzles, most often “Platinum-group element” — The New York Times, Saturday, 20 November 2010.
7 letters
Every clue on record, most used first
- Platinum-group elementonce
The New York Times — Saturday, 20 November 2010
- Metal in the points of gold pensonce
The New York Times — Friday, 27 July 2007
- Metal in surgical toolsonce
The New York Times — Tuesday, 7 December 2004
- Corrosion-resistant metalonce
The New York Times — Sunday, 7 November 2004
- Platinumlike metalonce
The New York Times — Wednesday, 16 November 1994