| reservoir [`rez·ǝv´wär] CIVIL ENGINEERING A pond or lake built for storage of water, usually by the construction of a dam across a river. GEOLOGY 1. A subsurface accumulation of crude oil or natural gas under adequate trap conditions. 2. An area covered by névé where snow collects to form a glacier. 3. A space within the earth that is occupied by magma. SCIENCE AND TECHNOLOGY A container for storage of a liquid material, for example, a tank. |