> as lemmas

1949 San Mateo (Calif.) Times 16 Feb. 5/1 If a new war should occur within that period jet transportation might easily become a reality before that time.

1961 L. Mumford City in Hist. xvi. 505 Jet transportation brings an area twelve hundred miles away as near as one sixty miles distant today.

2007 Globe & Mail (Canada) (Nexis) 26 July a7 The state is highly dependent on jet transportation. It doesn't have cheap renewable energy at its disposable either.