penumbra /pe-numˈbrə/

1. A partial or lighter shadow round the perfect or darker shadow produced by an eclipse or by a large unfocused light source shining on an opaque object
2. The less dark border of a sunspot or any similar spot
3. The part of a picture where the light and shade blend into each other

penumˈbral adjective

• malapertly
• malapertness
• malapertnesses
• malaperts
• malapportionment
• malappropriate
• malappropriated
• malappropriates
• malappropriating
• malappropriation
• malapropism
• malapropisms
• malapropos
• malar
• malaria
• malarial
• malarian
• malarias
• malariologies
• malariologist
• malariologists
• malariology
• malarious
• malarkey
• malarkeys