You searched for: “app
app, application (AP, ap" li KAY shuhn) (s) (noun); apps, applications (pl)
A complete, self-contained program that performs a specific function directly for users: The term app is defined as a shorthand abbreviation of application, meaning a way of using a product or a program.

An app is not the same as computer software; such as, the operating systems, server processes, libraries which exist to support application programs, and utility programs.

This entry is located in the following unit: English Words in Action, Group A (page 5)
Word Entries containing the term: “app
Google creates an app for use at the checkout
app:
checkout:

"The technology giant introduced Google Wallet, a mobile application that will allow consumers to pay at a store by waving their cellphones at a retailer's terminal instead of using a credit card [or cash]."

"The app, for the Android operating system also will enable users to redeem special coupons and earn loyalty points."

The Global Edition of the New York Times, May 28-29, 2011; page 15.
Word Entries at Word Info: “app
app (s), apps (pl)
1. Short for software applications; an application; an application program.

Jargon, or an informal term, that is often found in technology research reports.

2. In medicine, amyloid precursor protein (APP), which is a large transmembrane glycoprotein expressed on the cell surface and of uncertain function.

It may be cleaved on the cell surface to a soluble form. Alternatively, cleavage may follow endocytosis and in some cases then yields 40 to 43 abnormal amino acid peptides, which aggregate to form Ab amyloid, associated with Alzheimer's disease.