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(fluid mechanics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


1. On drawings, abbr. for “steam.”
2. On drawings, abbr. for street.


A device for withholding foreign matter from a flowing liquid or gas; a sieve.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


The country code for Sao Tome and Principe.
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Atari ST

An early personal computer series from Atari. Introduced in 1985 to compete with Apple's Mac, the ST was the first home computer to include MIDI ports. Popular with musicians due to its MIDI support as well as desktop publishing, especially in Europe, the ST line was discontinued in the early 1990s.

The ST along with the subsequent STF, STM and STE models used Motorola 68K CPUs and ran under the TOS operating system and GEM user interface. Certain models were given the MEGA moniker (MEGA ST, MEGA STE), and STacy and ST BOOK were portable versions. ST machines supported 640x480 monochrome and 640x200 color displays. See Atari.

A Lot of Praise
Joe Sugarman, the marketer famously known for his astute product descriptions, praised the ST in this full-page ad for his JS&A mail order company in 1986.

ST connector

(Straight Tip connector) A fiber-optic cable connector that uses a bayonet plug and socket. It was the first de facto standard connector for most commercial wiring. For bi-directional transmission, two fiber cables and two ST connectors are used. ST is specified by the TIA as FOCIS-2. See fiber-optic connectors and FOCIS.

ST Connector
The ST uses a half-twist bayonet type of lock to keep the connection secure.
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