/hwerrl"wind', werrl"-/, n.
1. any of several relatively small masses of air rotating rapidly around a more or less vertical axis and advancing simultaneously over land or sea, as a dust devil, tornado, or waterspout.
2. anything resembling a whirlwind, as in violent action or destructive force.
3. any circling rush or violent onward course.
4. reap the whirlwind, to suffer the penalties for one's misdeeds. Hos. 8:7.
5. like a whirlwind, as in speed or force: a whirlwind visit to New York.
6. to move or travel quickly.
[1300-50; ME < ON hvirfilvindr; c. G Wirbelwind]
Syn. 5. headlong, breakneck, hasty, impulsive.

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 the first real-time computer—that is, a computer that can respond seemingly instantly to basic instructions, thus allowing an operator to interact with a “running” computer. It was built at the Massachusetts Institute of Technology (MIT) between 1948 and 1951. Whirlwind was designed and built by Jay Forrester (Forrester, Jay Wright) of MIT and Jan Aleksander Rajchman of the Radio Corporation of America (RCA), who had come up with a new kind of memory based on magnetic cores that was fast enough to enable real-time operation.

Paul A. Freiberger Michael R. Swaine

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Universalium. 2010.

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