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

• roquettes
• roral
• rore
• roric
• rorid
• rorie
• ro-ro
• ro-ros
• rorqual
• rorquals
• Rorschach test
• Rorschach tests
• rort
• rorted
• rorter
• rorters
• rortier
• rortiest
• rorting
• rortings
• rorts
• rorty
• rory
• Rosa
• rosace