HALOGEN
Set to 2 different clues across 2 published puzzles, most often “Lamp type” — The New York Times, Tuesday, 29 December 1998.
7 letters
Every clue on record, most used first
- Lamp typeonce
The New York Times — Tuesday, 29 December 1998
- Kind of lamponce
The New York Times — Friday, 27 February 1998