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1. Something designed or intended for use in conjunction with another.
2. Computers See plug-in.

add′-in′ adj.
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.


a component, as an expansion card or chip, added to a computer to expand its capabilities.
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.add-in - a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilitiesadd-in - a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
CPU board, mother board - the main circuit board for a computer
PC board - a removable circuit board for a personal computer; fits into a slot in the mother board
printed circuit - computer circuit consisting of an electronic sub-assembly; copper conductors are laminated on an insulating board or card and circuit components are inserted into holes and dip soldered
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Other available visual add-in apps include Word Cloud charts, Bullet charts, Speedometer charts, the Prevedere Forecasting Tools, Lucidchart Diagrams for Excel, and Supermetrics, to name a few.
A software add-in that builds upon a platform in use by millions of users each and every day...
The former add-in known as Power Query lets you extract, transform, and load data into Excel.
In this paper, we have approached a high interest research topic regarding the development of customized Office solutions by designing and implementing a Component Object Model Add-In (COM Add-In) for repurposing the controls' default actions and states and for extending the features offered by the Office suite.
The exhibits will include 35 barrel and oak tank makers, oak add-in manufacturers, barrel-cleaning and sanitation suppliers and other oak-related wine industry vendors.
After explaining the basics of how to program with VBA, she addresses security and debugging, the design of programs, and the creation of toolbars and add-ins. She then discusses special topics such as working files and strings of text, creating charts, the use of built-in dialog boxes, the creation of custom user forms, the use of the Solver Add-in for optimization, and simulation studies.
Solution 11 XL is an add-in for Microsoft[R] Excel enabling full compliance with 21 CFR Part 11.
When the add-in is selected, the current part is opened directly in Mastercam.
I now have all the functions available to me within Microsoft Excel through an add-in package that Chemica-Logic developed to do the same job, but in a way that is much more compatible with today's computer technology.
Repeat this process for each Microsoft application you use, and for each type of available add-in. If you later change your mind, you can reinstate an add-in you disabled simply by rechecking its box.