تلفظ بین المللی : /kˌəʊplˈeɪnə/ تلفظ : [k,oUpl'eIn3]
English
A water wheel, commonly horizontal, variously constructed, but usually having a series of curved floats or buckets, against which the water acts by its impulse or reaction in flowing either outward from a central chamber, inward from an external casing, or from above downward, etc.; -- also called turbine wheel. Note: In some turbines, the water is supplied to the wheel from below, instead of abov...
