A distance of one international mile or 1 760 international yards or exactly 1609.344 meters travelled in one hour or exactly 3 600 seconds. 1 Mile per hour = 1.60934 kilometers per hour = 0.44704 meters per second (SI base unit). 1 mph = 0.447 04 m/s. 1 Mach Number: The ratio of the speed of an object moving through a fluid to the speed of sound in the same fluid. Under standard conditions at sea level this is roughly 340.29 meters per second for travel through air.
The definition of laud is praise. An example of laud is a teacher letting a student know how great they did on an assignment. YourDictionary definition and usage example.
trough. 1. a long, narrow, open receptacle, usu. boxlike in shape, used chiefly to hold water or food for animals. 2. any of several similarly shaped receptacles used for various commercial or household purposes. 3. a channel or conduit for conveying water, as a gutter under the eaves of a building. 4. any long depression or hollow. 5. a long, wide, and deep depression in the ocean floor having gently sloping sides, wider and shallower than a trench. 6. an elongated area of relatively low barometric pressure.