1. An optical instrument that provides a view of an otherwise obstructed field

Derived forms: periscopes

Type of: optical instrument

Part of: pigboat, sub, submarine, U-boat

Encyclopedia: Periscope

• modernisation
• modernise
• modernised
• modernism
• modernist
• modernistic
• modernity
• modernization
• modernize
• modernized
• modernizer
• modernly
• modernness
• modest
• Modest Moussorgsky
• Modest Mussorgsky
• Modest Petrovich Moussorgsky
• Modest Petrovich Mussorgsky
• modestly
• modestness
• modesty
• Modicon
• modicum
• modifiable
• modification