1. Of or pertaining to the region of partial shadow around an umbra

See also: penumbra

Encyclopedia: Penumbral

• cracker-barrel
• crackerberry
• crackerjack
• crackers
• cracking
• crackle
• crackle china
• crackleware
• crackling
• cracklings
• crackly
• cracknel
• crackpot
• cracksman
• Cracow
• Cracticidae
• Cracticus
• cradle
• cradle cap
• cradlesong
• craft
• craft fair
• craft union
• crafter
• craftily