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A procedure in which a table of values stored in a computer is searched until a specified value is found.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


or look′-up`,

an act or instance of looking something up, as information in a reference book.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lookup - an operation that determines whether one or more of a set of items has a specified property; "they wrote a program to do a table lookup"
operation - (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction); "it can perform millions of operations per second"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Even low-cost cash registers include functions to record sales, calculate change, provide price look-ups and print customer receipts.
So AI video analysis and search is beginning to unlock the value in media archives, and importantly this allows better reuse of media assets for all types of analysis, documentary making, sports fan look-ups and countless other usages.
The company, part of CDL Vehicle Information Systems which performs over a million look-ups a day for companies including COMPARETHEMARKET, Go-Compare, Moneysupermarket, Swiftcover and Tesco has announced that serious warnings - including write-off, finance and stolen - have risen again, to 30.8per cent.
Once it's found the right group for the right brand, MAX runs campaigns across a number of different platforms, including terrestrial radio, streaming services like Spotify, Pandora and YouTube, and social platforms including Facebook, Twitter and Instagram. Both artist and brand get detailed reports on how it goes: When listeners click on a radio spot when it's playing on Spotify or Pandora, reverse look-ups give them precise data about who's engaging. If fans opt in to certain promotional activations after shows by giving bands their phone numbers or email addresses, the brand gets them too. 
"Client look-ups now happen very quickly and our overall distribution time has been cut in half.
When I was studying Chemical Engineering at the University of Pennsylvania, I struggled with all the homework and lab work; not with the technical challenge but with the amount of time required to actually do the labor-intensive table look-ups for each trigonometric function used.
On the analytics front, SkyRes enables users to generate a host of actionable reports and look-ups other than property-wise reports."
The POS module within Vision is designed to provide full register capability, including price look-ups, discounts, customer-special pricing (and history), periodic sales, and frequent-buyer or award points tracking.
Wikipedia is fine for quick look-ups, but not for in-depth research.
While ensuring that PAF remains in Royal Mail's ownership, we are confident that we have secured benefits for data users including free look-ups that will open up new opportunities for growth."