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Noun: periscope  'pe-ri`skowp
  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

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Periplaneta americana
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peripteral
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periscope
periscopic
periselene
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perishability
perishable
perishableness
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Perisoreus canadensis capitalis