1. An excess of artificial light, especially near urban developments, reducing visibility of stars etc. in the night sky

Encyclopedia: Light pollution

• few-flowered leek
• fewer
• fewest
• fewness
• fey
• feyness
• Feynman
• fez
• ff
• FHA
• FHLMC
• fiacre
• fianchetto
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• fiat money
• fib
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• fibbing
• fiber
• fiber bundle
• fiber optic cable
• fiber-optic transmission system