On the other hand, E-beam sterilization can be harmful to products containing batteries or electronic components. It can also degrade rubber and polypropylene, but these materials now come in grades that are E-beam compatible, Wilson notes.
A trajectory is the path of an object through space, or the path of life that a person chooses. The prefix tra- is short for trans-, which means across (think transport and transit) and the ject comes from jacere, which means throw and is also the root of the word jet.
trajectory (trÉdÊektÉri ) The trajectory of a moving object is the path that it follows as it moves. ...the trajectory of an artillery shell. The trajectory of something such as a person's career is the course that it follows over time. ...a relentlessly upward career trajectory.