noodle² /nooˈdl/

1. A simpleton (informal)
2. A blockhead (informal)
3. The head (slang, esp N American)

• photocatalytic
• photocathode
• photocathodes
• photo CD
• photocell
• photocells
• photochemical
• photochemist
• photochemistry
• photochemists
• photochromic
• photochromics
• photochromies
• photochromism
• photochromisms
• photochromy
• photocoagulation
• photocomposition
• photoconducting
• photoconductive
• photoconductivity
• photocopiable
• photocopied
• photocopier
• photocopiers