1. (noun)application, practical application the act of bringing something to bear; using it for a particularpurpose "he advocated the application of statistics to the problem"; "a novel application of electronics to medical diagnosis"
3. (noun)application, coating, covering the work of applying something
"the doctor prescribed a topical application of iodine"; "a complete bleach requires several applications"; "the surface was ready for a coating of paint";
4. (noun)application, application program, applications programme a program that gives a computerinstructions that provide the user with tools to accomplish a task "he has tried several different word processing applications"
6. (noun)application, diligence a diligent effort "it is a job requiring serious application"
7. (noun)application the action of putting something into operation "the application of maximum thrust"; "massage has far-reaching medical applications"; "the application of indexes to tables of data"