application · noun /ˌæp.ləˈkeɪ.ʃən/Full view
Nouns: applicant, application
Adjectives: applicable, applied
Verbs: apply
application (REQUEST)
B1 C an official request for something, usually in writing
Dictionary examples:

a job/college application

I've sent off applications for four different jobs.

Have you filled in the application form for your passport yet?

Learner example:

After having filled [in] the application form, the master pilot took us on a short trip around the hangars showing the planes used for training. (Preliminary English Test; B1; Italian)

B2 C a piece of computer software designed for a particular purpose
Dictionary example:

Typical examples of software applications are spreadsheets, media players and database applications.

Learner example:

I am [an] exp[e]rienced user of [the] Internet and know all application programs for Windows '95 (Word, Excel, PowerPoint, PinPoint etc). (First Certificate in English; B2; Russian)

application (USE)
C2 C or U a way in which something can be used for a particular purpose
Dictionary example:

This technology has many practical applications.

Learner example:

We have been working [o]n the growing of cells in zero-gravity environments, having in mind its possible application in outer space colonies, such as the International Space Station. (Certificate of Proficiency in English; C2; Spanish)

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