- deimos
- dispassionateness
- dispatch rider
- draftee
- disquisition
- disjunctive
- disabused
- decius
- discordance
- delineated
- delimiting mixture
- deaccession
- drown out
- disincarnate
- deserved
- defencelessness
- decalescence
- dry labour
- dry law
- drainage basin
- domain controller
- dental caries
- domed stadium
- debouch
- drainpipe
- deciduous holly
- dirty linen
- dirty laundry
- digitisation
- deaminization
- depolarization
- depolarisation stage
- decalcify
- dissimilitude
- denatured alcohol
- dehumidify
- deadbeat dad
- diabolist
- diacalpa
- disambiguate
- demagnetisation
- demagnetization
- deactivating
- demisemiquaver
- depressurise
- diversifying selection
- depressurize
- desensitising
- desensitisation technique
- dressed ore