1. 
   Penstock
   Pen'stock noun [ Etymol. uncertain; perhaps from pen an inclosure + stock .] 1. A close conduit or pipe for conducting water, as, to a water wheel, or for emptying a pond, or for domestic uses. 2. The barrel of a wooden pum...
   Found op http://www.encyclo.co.uk/webster/P/47
   
   
2. 
   penstock
   1. A close conduit or pipe for conducting water, as, to a water wheel, or for emptying a pond, or for domestic uses. ... 2. The barrel of a wooden pump. ... Origin: Etymol. Uncertain; perh. Fr. Pen an inclosure + stock. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?penstock
   
   
3. 
   Penstock
   • (n.) The barrel of a wooden pump. • (n.) A close conduit or pipe for conducting water, as, to a water wheel, or for emptying a pond, or for domestic uses.
   Found op http://thinkexist.com/dictionary/meaning/penstock/
   
   
4. 
   Penstock
   A penstock is a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water to hydraulic turbines and sewerage systems. It is a term that has been inherited from the technology of wooden watermills. ==In hydro-electric systems and dams== Penstocks for hydroe...
   Found op http://en.wikipedia.org/wiki/Penstock
   
   
5. 
   penstock
   a pipeline bringing water under pressure to the turbine
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=602-02-09
   
   
6. 
   Penstock
   A component of a hydropower plant; a pipe that delivers water to the turbine.
   Found op http://www.electromn.com/glossary/p.htm
   
   
7. 
   penstock
   1) Floodgate 2) Head gate 3) Regulator 4) Sluice valve 5) Sluicegate 6) Water gate
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/penstock/1
   
   

Tip: double click on a word to show its meaning.