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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 [informal], submarine

Encyclopedia: Periscope

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Periplaneta
Periplaneta americana
Periplaneta australasiae
periplasm
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Periploca
Periploca graeca
peripteral
perique
perirhinal
periscope
periscopic
periselene
perish
perishability
perishable
perishableness
perisher
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Perisoreus
Perisoreus canadensis