preselective en · ADJ
Etymology
From pre- + selective.
Meanings
- (not-comparable) Relating to preselection
-
(not-comparable) That can select in advance.
The drive from the engine is taken through a fluid flywheel and universally jointed shaft to the counter-shaft and thence to a five-speed preselective type epicyclic gearbox by another shaft.
1950 July, “Diesel Train Services for G.N.R.(I.)”, in Railway Magazine, page 490: