| 释义 |
porthole
port·hole P0457900 (pôrt′hōl′)n.1. Nautical A small, usually circular window in a ship's side.2. An opening in a fortified wall; an embrasure.porthole (ˈpɔːtˌhəʊl) n1. (Nautical Terms) a small aperture in the side of a vessel to admit light and air, usually fitted with a watertight glass or metal cover, or both. Sometimes shortened to: port 2. (Fortifications) an opening in a wall or parapet through which a gun can be fired; embrasureport•hole (ˈpɔrtˌhoʊl, ˈpoʊrt-)
n. 1. a round, windowlike opening with a hinged, watertight glass cover in the side of a vessel for admitting air and light. Compare port 4 (def. 1). 2. an opening in a wall, door, etc., as one through which to shoot. [1585–95] Thesaurus| Noun | 1. |  porthole - a window in a ship or airplane deadlight - a strong shutter over a ship's porthole that is closed in stormy weatherfuselage - the central body of an airplane that is designed to accommodate the crew and passengers (or cargo)ship - a vessel that carries passengers or freightwindow - a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air | | 2. |  porthole - an opening (in a wall or ship or armored vehicle) for firing throughembrasure, portopening - a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door"ship - a vessel that carries passengers or freight |
Translationsporthole (ˈpoːthəul) noun a small, usually round, window in a ship. 舷窗 舷窗
porthole
porthole a small aperture in the side of a vessel to admit light and air, usually fitted with a watertight glass or metal cover, or both PortholeA small window, usually circular, in a ship’s side, or on an exterior part of a structure.Porthole a glass window in the hull or superstructure of a vessel for illuminating and ventilating interior spaces. Ship portholes may be round (side portholes and deck-cabin portholes) or rectangular (deck-cabin portholes) and may be deadlights or of the opening type, often with waterproof covers. Selection of the type of porthole is determined by the place where it is to be installed and the distance to the waterline. The round windows of underwater research vessels, airplanes, helicopters, and spaceships are also called portholes. porthole[′port‚hōl] (design engineering) The opening or passageway connecting the inside of a bit or core barrel to the outside and through which the circulating medium is discharged. (engineering) A circular opening in the side of a ship or airplane, usually serving as a window and containing one or more panes of glass. access door  access door A door, usually small, which is provided through a finished construction, as into a duct, through a ceiling, behind a wall, in a large piece of mechanical equipment, etc.; used to provide a means of inspection of equipment or services housed within.MedicalSeeportLegalSeePortporthole
Synonyms for portholenoun a window in a ship or airplaneRelated Words- deadlight
- fuselage
- ship
- window
noun an opening (in a wall or ship or armored vehicle) for firing throughSynonymsRelated Words |