off-line

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off-line

[′ȯf¦līn]
(computer science)
Describing equipment not connected to a computer, or temporarily disconnected from one.
(engineering)
A condition existing when the drive rod of the drill swivel head is not centered and parallel with the borehole being drilled.
A borehole that has deviated from its intended course.
A condition existing wherein any linear excavation (shaft, drift, borehole) deviates from a previously determined or intended survey line or course.
(industrial engineering)
State in which an equipment or subsystem is in standby, maintenance, or mode of operation other than on-line.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

off-line

(jargon)
(Or "offline")

1. Not directly connected to the computer (e.g., an off-line tape drive), or with connection suspended ("take the printer off-line").

Contrast background, on-line.

2. Not now or not here. "Let's take this discussion off-line." Specifically used on Usenet to suggest that a discussion be moved off a public newsgroup to e-mail.

See also off-line world.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

offline

(1) A computer or mobile device that is not connected to the Internet or internal network. If a printer, scanner or external storage drive is physically connected to the computer but not turned on or is not in ready mode, the device is said to be offline as well. From the 1960s through the 1980s, disk packs and tape cartridges that were demounted and stored in the data library were also considered offline. Contrast with online. See offline file.

(2) "Not with it." Slang for someone who is uninformed. See 404.
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References in periodicals archive ?
We capture all the data customers provide through the Internet -- or through any conventional source -- and place it into a sophisticated information system providing companies the means to analyze consumer behavior, develop and execute tailored marketing offerings, as well as track responses, in on-line and off-line environments," Helle said.
Kmart and BlueLight.com are also working to fully integrate the on-line and off-line experiences.
(4.) According to Peapod, the Web-based research will develop "insights into topics such as optimal product assortments, virtual point-of-sale displays, using targeting technology to customize products and promotions, and optimizing the on-line and off-line marketing mix to build sales."