Dictionaries, Thesauruses, Pictures, and Press Releases
- recursively solvable problem
- recursively undecidable
- Red Book
- redline
- reduced instruction set computer
- reducible polynomial
- reduct
- reduction machine
- reduction system
- redundancy check
- Reed–Muller codes
- Reed–Solomon codes
- referent
- referential integrity
- referential opacity
- referential transparency
- reflectance function
- reflectance model
- reflexive closure
- reflexive relation