drainout
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English[edit]
Etymology[edit]
Noun[edit]
drainout (plural drainouts)
- A channel for the purpose of draining liquid out of a system.
- 1911, Engineering Review, volume 21, page 28:
- The valves are removable from the surface without excavating the hydrants, and are provided with automatic drainouts with brass nipple, set below frost line, and are surrounded with a broken stone blind drain.