'Utilization' definitions:

Definition of 'utilization'

(from WordNet)
noun
The act of using; "he warned against the use of narcotic drugs"; "skilled in the utilization of computers" [syn: use, usage, utilization, utilisation, employment, exercise]
noun
The state of having been made use of; "the rate of utilization"

Definition of 'Utilization'

From: GCIDE
  • Utilization \U`til*i*za"tion\, n. [Cf. F. utilization.] The act of utilizing, or the state of being utilized. [1913 Webster]