undrain
Etymology
From un- + drain.
undrain means A water collection system that drains water away from a location. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- A water collection system that drains water away from a location.“The experiments with fresh and septic sludge show that for filters of the same size material, fresh sludge passes through into the undrains while septic sludge merely gives up its water.”
verb
- To restore that which has drained away.“The probable differences between gross and net drain also require an explanation of why some manpower "undrains" by returning home after a period of working in the United States.”