LAMBDAS
Set to 3 different clues across 3 published puzzles, most often “Greek L's” — The New York Times, Tuesday, 27 April 2010.
7 letters
Every clue on record, most used first
- Greek L'sonce
The New York Times — Tuesday, 27 April 2010
- Decay constants, in physicsonce
The New York Times — Sunday, 20 August 2000
- Wavelength symbolsonce
The New York Times — Thursday, 30 September 1999