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

• tinded
• tinder
• tinderbox
• tinderboxes
• tinder-like
• tinders
• tindery
• tinding
• tinds
• tine
• tinea
• tineal
• tinea pedis
• tineas
• tined
• tineid
• Tineidae
• tineids
• tines
• tin fish
• tin fishes
• tinfoil
• tinfoils
• tinful
• tinfuls