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

penumˈbrous adjective

• spot kicks
• spotless
• spotlessly
• spotlessness
• spotlessnesses
• spotlight
• spotlighted
• spotlighting
• spotlights
• spotlit
• spot market
• spot markets
• spot-on
• spots
• spot stroke
• spot strokes
• spotted
• spotted dick
• spotted dicks
• spotted dog
• spotted dogs
• spotted fever
• spotted fevers
• spotted flycatcher
• spotted flycatchers