practical application is a noun meaning "the act of bringing something to bear; using it for a particular purpose". It carries one recorded sense.
the act of bringing something to bear; using it for a particular purpose
“he advocated the application of statistics to the problem”
“a novel application of electronics to medical diagnosis”
Definitions, synonyms and semantic relations for practical application come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.