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portal 音标拼音: [p'ɔrtəl] n. 入口,大门
a. 门的 入口,大门门的 portal n 1: a grand and imposing entrance ( often extended metaphorically); " the portals of the cathedral"; " the portals of heaven"; " the portals of success" 2: a site that the owner positions as an entrance to other sites on the internet; " a portal typically has search engines and free email and chat rooms etc." [ synonym: { portal site}, { portal}] 3: a short vein that carries blood into the liver [ synonym: { portal vein}, { hepatic portal vein}, { portal}, { vena portae}] Portal \ Por" tal\, a. ( Anat.) Of or pertaining to a porta, especially the porta of the liver; as, the portal vein, which enters the liver at the porta, and divides into capillaries after the manner of an artery. [ 1913 Webster] Note: Portal is applied to other veins which break up into capillaries; as, the renal portal veins in the frog. [ 1913 Webster]
Portal \ Por" tal\, n. [ OF. portal, F. portail, LL. portale, fr. L. porta a gate. See { Port} a gate.] 1. A door or gate; hence, a way of entrance or exit, especially one that is grand and imposing. [ 1913 Webster] Thick with sparkling orient gems The portal shone. -- Milton. [ 1913 Webster] From out the fiery portal of the east. -- Shak. [ 1913 Webster] 2. ( Arch.) ( a) The lesser gate, where there are two of different dimensions. ( b) Formerly, a small square corner in a room separated from the rest of the apartment by wainscoting, forming a short passage to another apartment. ( c) By analogy with the French portail, used by recent writers for the whole architectural composition which surrounds and includes the doorways and porches of a church. [ 1913 Webster] 3. ( Bridge Building) The space, at one end, between opposite trusses when these are terminated by inclined braces. [ 1913 Webster] 4. A prayer book or breviary; a portass. [ Obs.] [ 1913 Webster] { Portal bracing} ( Bridge Building), a combination of struts and ties which lie in the plane of the inclined braces at a portal, serving to transfer wind pressure from the upper parts of the trusses to an abutment or pier of the bridge. [ 1913 Webster] 46 Moby Thesaurus words for " portal": French door, archway, back door, barway, bulkhead, carriage entrance, cellar door, cellarway, door, doorjamb, doorpost, doorway, entrance, entrance hall, entranceway, entry, entryway, foyer, front door, galilee, gate, gatepost, gateway, hatch, hatchway, lintel, lobby, narthex, porch, porte cochere, portico, postern, propylaeum, pylon, scuttle, side door, stile, stoa, storm door, threshold, tollgate, trap, trap door, turnpike, turnstile, vestibule |
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