encyclopedia

DECELERATION

Decrease in velocity per unit time; in transit practice, often measured in feet per second squared (meters per second squared) or, in the United States, miles per hour per second. (TRB)

DECENTRALIZATION

The process of distributing computer processing to different locations within an organization.

DECISION SUPPORT SYSTEM

An interactive system that provides the user with easy access to decision models and data in order to support semi-structured decision-making tasks.