In a right‐angled triangle, where one of the other angles has been specified, the opposite side is the side which is not an arm of the specified angle. Compare adjacent side.
- density gradient
- density-independent factor
- density log
- density of states
- density parameter
- density wave
- density–depth profile
- dental caries
- dental formula
- dentary
- denticle
- dentine
- dentition
- denudation
- denudation chronology
- denumerable
- denumerable/non-denumerable
- denumerable set
- deny
- denying the antecedent
- denying the consequent
- deodand
- deodar
- deontic
- deontic logic