The act of bringing something to bear; using it for a particular purpose(noun)
WordNet. Princeton University. 2010.
Use "practical application" in a sentence
"The concept 'folkish' seems as vaguely defined, open to as many interpretations and as unlimited in practical application as, for instance, the word 'religious,' and it is very hard to conceive of anything absolutely precise under this designation, either in the sense of intellectual comprehension or of practical effects."
"A similar practice is occasionally resorted to among the Comanches, and Dr. Forwood, who attended a Comanche squaw in a difficult labor, told me that at a former confinement of the same patient, a practical application had been made of the effect of fright."
"Antiseptic surgery offered an immediate practical application of the germ theory."