unexpended en · ADJ
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English expended English unexpended From un- + expended.
Meanings
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(not-comparable) Not expended.
The [wind] tunnel will be of the return flow type which enables use to be made of the unexpended velocity of the air as it returns.
1952 November, “Notes and News: Wind Tunnel for British Railways”, in Railway Magazine, page 779: