application

An application is a request for something. Often it is a paper form that you have to fill out to ask for something.

Example: She filled out her applications for college and hoped she would hear soon whether she was accepted to any schools.

An application is the way something is used.

Example: The application of the new laws made things much more fair in the country.

If something has an application, it can be used.

Example: She liked studying Latin in college, but found that a degree in Latin had few applications in the real world.

An application is a computer program.

Example: He told me I would need a special application to make my new printer work with my old computer.

Application is putting something onto something else, like a surface.

Example: Kathleen was so light-skinned that she needed many applications of sunscreen each time she was at the beach to keep from getting sunburned.