Esophageal cancer describes the disease where cells that line the esophagus change or mutate and become malignant. These cells grow out of control and form a mass or tumor. There are two main types of esophageal cancer:
Trajectory. A trajectory is the path that a moving object follows through space as a function of time. The object might be a projectile or a satellite, for example. It thus includes the meaning of orbitâthe path of a planet, an asteroid or a comet as it travels around a central mass.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  trajectory(Noun) The path of a body as it travels through space. 2  trajectory(Noun) The ordered set of intermediate states assumed by a dynamical system as a result of time evolution. 3  trajectory(Noun) Metaphorically, a course of development, such as that of a war or career.