A device that serves alcoholic beverages in precisely determined amounts. Hostel that caters to senior citizens. Special travel-study program for seniors offered by a college or university. Participants stay in college dormitories and may generally take a short course of study if they so desire. A communications system that allows people on the same computer network to exchange messages.
Systems also exist that allow people to exchange e-mail messages between networks.
A network, national or regional, of ticket printing machines that are not operated by an ARC-accredited agency but instead by a company that sells its ticket distribution services. An ETDN delivers flight and passenger coupons after an agent generates the ticket. A computerized system used by airlines in which no physical ticket or boarding pass is generated. Extra mileage allowance. See electronic mail.