lens - list
- lens
- lens system
- LEO
- Leopoldts conjecture
- LEOT
- LEP
- leptonic decay
- LEPU
- LEQ
- LeRC
- LES
- LESS
- less developed country
- less-ambitious language
- less-than condition
- less-than match
- LET
- LETS
- letter character
- letter code
- letter descriptor
- letter generator
- letter hash
- letter indicator
- letter key
- letter mail
- letter quality
- letter recognition
- letter row
- letter string
- letter symbol
- letter type code
- letter-oriented algorithm
- letter-quality printer
- letter-shift signal
- lettering
- letterphone
- letters case
- letters signal
- letterset
