killer app

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killer app

a computer application that is so popular that it assures the success of the technology with which it is associated; a feature or component that in itself makes something worth having
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

kill′er app′


n.
a computer application that surpasses its competitors.
[1985–90]
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