underutilization
noun/ˌʌndəˌjuːtəlaɪˈzeɪʃn/
/ˌʌndərˌjuːtələˈzeɪʃn/
(British English also underutilisation)
(formal) [uncountable]- underuse (= less use than something could or should have)
Check pronunciation:
underutilization