Pilots and aeronautical engineers use the forces involved in lift to help them design and fly planes of all sizes and shapes. With the right lift, even an 870,000-pound jumbo jet can head for the sky.
The definition of a cry is a shedding of tears or a calling out. An example of a cry is a scream for help. Cry is defined as to shed tears or call out. An example of to cry is to release tears after hearing sad news.
separation. 1  an act or instance of separating or the state of being separated. 2  a place, line, or point of parting. 3  a gap, hole, rent, or the like. 4  something that separates or divides. 5  Law. 6  Aerospace. the time or act of releasing a burned-out stage of a rocket or missile from the remainder. 7  Photography.