stream (n)~ An abstraction of a sequence of bytes such as a file an I/O device an inter- process communication pipe a TCP/IP socket or a spooled print job. The relationship between streams and storages in a compound file is similar to that of files and folders. stream (n)~ Chronological list of posts to monitor that match user-defined criteria. Stream Analytics (n)~ A highly scalable event-processing engine that helps uncover real- time insights from devices sensors infrastructure applications and data.