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

• invisible earnings
• invisible exports
• invisible imports
• invisible ink
• invisibleness
• invisiblenesses
• invisibles
• invisibly
• invitation
• hobjobbers
• hobjobbing
• hobjobbings
• hobjobs
• hobnail
• hobnailed
• hobnailing
• hobnails
• hobnob
• hobnobbed
• hobnobbing
• hobnobby
• hobnobs
• hobo
• hobodom
• hobodoms