cement that can solidify under water.
noun 1. . noun 1. Machinery. an apparatus in which a fluid, usually oil, transmits torque from one shaft to another, producing an equal torque in the other shaft. noun 1. another name for torque converter
noun 1. a fluid, usually of low viscosity, as oil, used in a hydraulic system.
noun 1. a process in which fractures in rocks below the earth’s surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
noun 1. an elevator operated by fluid pressure, especially one used for raising automobiles in service stations and garages.