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SOWPODS
ENABLE
TWL
Penstock
Origin
Perhaps from
pen
an enclosure +
stock
.
Full definition of penstock
Noun
penstock
(
plural
penstocks
)
A
sluice
or
pipe
which allows the controlled flow of
water
from behind a
dam
, typically routing it to a
turbine
of a
power plant
.
The
barrel
of a
wooden
pump
.
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