feed water en · NOUN
Meanings
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(alt-of, alternative, uncountable) Alternative form of feedwater.
alt of feedwater
The feed water enters the back and cool end of the preheater and passes forward to the front and hot end, after which it enters the boiler through a clack valve.
1959 September, P. Ransome-Wallis, “The British Railways Class "9" 2-10-0s”, in Trains Illustrated, page 420: