Term: penumbra: a fringe region of partial shadow around an umbra
Broader: semidarkness: partial darkness | Unrelated: device: something in an artistic work designed to achieve a particular effect
Broader: semidarkness: partial darkness | Unrelated: head gasket: a gasket to seal a cylinder head
Broader: semidarkness: partial darkness | Unrelated: algorism: computation with Arabic figures
Broader: semidarkness: partial darkness | Unrelated: sepia: type genus of the Sepiidae
Broader: semidarkness: partial darkness | Unrelated: greaser: (ethnic slur) offensive term for a person of Mexican descent
Broader: semidarkness: partial darkness | Unrelated: analysis: the abstract separation of a whole into its constituent parts in order to study the parts and their relations
Broader: semidarkness: partial darkness | Unrelated: yellow oleander: tropical American shrub or small tree having glossy dark green leaves and fragrant saffron yellow to orange or peach- colored flowers; all parts highly poisonous
Broader: semidarkness: partial darkness | Unrelated: momotidae: a family of birds of the order Coraciiformes
Broader: semidarkness: partial darkness | Unrelated: gentleman-at-arms: one of 40 gentlemen who attend the British sovereign on state occasions
Broader: semidarkness: partial darkness | Unrelated: extremist: a person who holds extreme views