SOLARCELL
Set to 2 different clues across 2 published puzzles, most often “Optoelectric device” — The New York Times, Saturday, 20 November 2004.
9 letters
Every clue on record, most used first
- Optoelectric deviceonce
The New York Times — Saturday, 20 November 2004
- Battery typeonce
The New York Times — Sunday, 21 May 1995