- D-division
- D-domain
- DE200/LE200 numerical ephemeris
- DE200/LE200数值历表
- deadlock
- death rate of a process
- Debreu-Gale-Nikaido theorem
- Debreu-Scarf's theorem
- de Bruijn graph
- de Bruijn sequence
- de Bruijn's theorem
- debugging routine
- deceleration parameter
- decentralized adaptive control
- decentralized control system
- decentralized disturbance decoupling
- decentralized infinite fixed mode
- decentralized normalization
- decentralized quadratic optimal control
- decentralized stabilization of stochastic large scale system
- decentralized stochastic control
- decentralized switching pattern
- decidability of Boolean algebra
- decidable Boolean algebra
- decidable logic system