释义 |
drawdown I. \ˈ ̷ ̷ˌ ̷ ̷\ noun (-s) Etymology: draw down 1. : the distance by which the fluid surface level (as in a well or reservoir) is lowered (as by pumping or gate opening) 2. : the curving downward of the water surface near the edge of a weir notch II. noun 1. : a lowering of the water level (as in a reservoir) 2. : depletion : reduction |