dongle

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don·gle

(dôn′gəl, dŏng′-)

A hardware device that renders inoperable certain software on a computer if the device is not attached to the computer.

[Probably arbitrary coinage.]

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.

dongle

(ˈdɒŋɡəl)

(Computer Science) computing an electronic device that accompanies a software item to prevent the unauthorized copying of programs

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

don•gle

(ˈdɒŋ gəl, ˈdɔŋ-)
n.

a hardware device attached to a computer without which a given software program will not run: used to prevent unauthorized use.

[1980–85]

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Noun

dongle - (computer science) an electronic device that must be attached to a computer in order for it to use protected software

electronic device - a device that accomplishes its purpose electronically

computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures

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