dark star 
noun Astronomy
A starlike object which emits little or no visible light. Its existence is inferred from other evidence, such as the eclipsing of other stars.
- demand-led
- demand note
- demand-pull
- demantoid
- demarcate
- demarcation
- demarcation dispute
- demarcator
- demark
- demassification
- demassify
- dematerialise
- dematerialization
- dematerialize
- de Maupassant, Guy
- deme
- demean
- demeaning
- demeaningly
- demeanor
- demeanour
- de' Medici
- de' Medici, Catherine
- de Medici collar
- de' Medici, Cosimo