cause+to+rotate
121Playboating — is a discipline of whitewater kayaking or canoeing where the paddler performs various technical moves in one place (a playspot), as opposed to downriver whitewater canoeing or kayaking where the objective is to travel the length of a section of… …
122Friction stir welding — (FSW) is a solid state joining process (meaning the metal is not melted during the process) and is used for applications where the original metal characteristics must remain unchanged as far as possible. This process is primarily used on aluminum …
123Cycloidal drive — For the marine propulsion system, see Voith Schneider. A cycloidal drive or cycloidal speed reducer is a mechanism for reducing the speed of an input shaft by a certain ratio. Cycloidal speed reducers are capable of high ratios in compact sizes.… …
124Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …
125Solar tracker — A solar tracker is a device for orienting a solar photovoltaic panel or concentrating solar reflector or lens toward the sun. The sun s position in the sky varies both with the seasons (elevation) and time of day as the sun moves across the sky.… …
126crank — crank1 crankless, adj. /krangk/, n. 1. Mach. any of several types of arms or levers for imparting rotary or oscillatory motion to a rotating shaft, one end of the crank being fixed to the shaft and the other end receiving reciprocating motion… …
127galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …
128lipid — /lip id, luy pid/, n. Biochem. any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with… …
