Business / Internet Marketing / Portal: A Web site or service that offers a broad array of resources and services, such as email, forums, search engines, and on-line shopping malls. The first Web portals were online services, such as AOL, that provided access to the Web, but by now most of the traditional search engines have transformed themselves into Web portals to attract and keep a larger audience. Also known as a 'gateway to the Internet'.
Science / Biology / Portal System: An arrangement in which capillaries drain into a vein that opens into another capillary network. MORE
Entertainment / Literature / Science Fiction: Literature in which speculative technology, time travel, alien races, intelligent robots, gene-engineering, space travel, experimental medicine, psionic abilities, dimensional portals, or altered scie MORE