application

noun

• 1a formal request to an authority for something:an application for leave [with infinitive]:an application to join the forum [as modifier]:application form

• 2the action of putting something into operation:the application of general rules to particular cases massage has far-reaching medical applications
• [often with negative] practical use or relevance:this principle has no application to the present case

• 3the action of putting something on a surface:a fresh application of makeup paints suitable for application on fabric
• a medicinal substance put on the skin.

• 4sustained effort; hard work:the job takes a great deal of patience and application

• 5 (also application program) Computing a program or piece of software designed and written to fulfill a particular purpose of the user:a database application