| 1. | a door, gate, or entrance, esp. one of imposing appearance, as to a palace. |
| 2. | an iron or steel bent for bracing a framed structure, having curved braces between the vertical members and a horizontal member at the top. |
| 3. | an entrance to a tunnel or mine. |
| 4. | Computers. a Web site that functions as an entry point to the Internet, as by providing useful content and linking to various sites and features on the World Wide Web. |
Anatomy| 1. | noting or pertaining to the transverse fissure of the liver. |
| 2. | portal vein. |
PORTAL
portal por·tal (pôr'tl)
adj.
Of or relating to a porta or hilum.
Of or relating to the portal vein or the portal system.
Of or relating to a point of entrance to an organ, especially the transverse fissure of the liver, through which the blood vessels enter.
The portal vein.
The point of entry into the body of a pathogenic microorganism.
PORTAL
Process-Oriented Real-Time Algorithmic Language.
["PORTAL - A Pascal-based Real-Time Programming Language", R. Schild in Algorithmic Languages, J.W. deBakker et al eds, N-H 1981].
portal World-Wide Web
A website that aims to be an entry point to the World-Wide Web, typically offering a search engine and/or links to useful pages, and possibly news or other services. These services are usually provided for free in the hope that users will make the site their default home page or at least visit it often. Popular examples are Yahoo and MSN. Most portals on the Internet exist to generate advertising income for their owners, others may be focused on a specific group of users and may be part of an intranet or extranet. Some may just concentrate on one particular subject, say technology or medicine, and are known as a vertical portals.
(2001-07-07)