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porthole    
n. 舷窗,装货口,炮门

舷窗,装货口,炮门

porthole
n 1: a window in a ship or airplane
2: an opening (in a wall or ship or armored vehicle) for firing
through [synonym: {port}, {embrasure}, {porthole}]

Porthole \Port"hole`\, n. (Naut.)
An embrasure in a ship's side. See 3d {Port}.
[1913 Webster]


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  • Porthole - Wikipedia
    A porthole consists of at least two structural components and is, in its simplest form, similar to any other type of window in design and purpose The porthole is primarily a circular glass disk, known as a portlight, encased in a metal frame that is bolted securely into the side of a ship's hull
  • PORTHOLE Definition Meaning - Merriam-Webster
    The meaning of PORTHOLE is an opening (such as a window) with a cover or closure especially in the side of a ship or aircraft
  • What is a Porthole on a Boat? (Types, Functions and More)
    Also known as side scuttles, portholes are small, circular windows on the sides of a vessel’s hull You can’t get more generic than that However, once we dive a little deeper, we inevitably uncover some interesting facts about portholes
  • PORTHOLE Definition Meaning | Dictionary. com
    PORTHOLE definition: a round, windowlike opening with a hinged, watertight glass cover in the side of a vessel for admitting air and light See examples of porthole used in a sentence
  • PORTHOLE | definition in the Cambridge English Dictionary
    ˈpɔrt·hoʊl, ˈpoʊrt- Add to word list a small, usually round, window in the side of a ship (Definition of porthole from the Cambridge Academic Content Dictionary © Cambridge University Press)
  • Ship Portholes 101: The Complete History - Ellies Travel Tips
    A porthole is a small, circular window typically found on ships, designed to be watertight and withstand high pressures, with a distinctive round shape for strength
  • What are Portholes? - Home Questions Answered
    In the case of a ship, a porthole allows light and air to enter the lower, often dark, levels of the vessel Naturally, a porthole is watertight; it is generally made of a circular piece of glass, surrounded by a metal frame that is bolted into the hull of the ship
  • What does porthole mean? - Definitions. net
    A porthole is a circular window or opening, typically found on the hull of a ship or aircraft, used for light or ventilation It can also be found in various types of equipment and machinery for observation or access purposes
  • porthole, n. meanings, etymology and more | Oxford English Dictionary
    There are eight meanings listed in OED's entry for the noun porthole, one of which is labelled obsolete See ‘Meaning use’ for definitions, usage, and quotation evidence
  • Porthole - Definition, Meaning Synonyms | Vocabulary. com
    When you get the window seat on an airplane, you'll be sitting beside a porthole, which is the name for a window on an aircraft or ship It might sound fun to go on an ocean cruise — but it'll cost extra to stay in a cabin with a porthole





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