Definition of "interim"

In a period of transition from steam to diesel, many of the schemes are inevitably of an interim nature and only on full dieselisation will the final pattern be determined and full benefit derived.

1960 June, “Diesel locomotive operation on the Great Eastern Line”, in Trains Illustrated, page 374

Drogba's goal early in the second half - his fourth in this Wembley showpiece - proved decisive as the remarkable turnaround in Chelsea's fortunes under interim manager Roberto di Matteo was rewarded with silverware.

2012 May 5, Phil McNulty, “Chelsea 2-1 Liverpool”, in BBC Sport‎