Noun

(trajectories)

(astronomy, space) The path of a body as it travels through space.

(cybernetics) The ordered set of intermediate states assumed by a dynamical system as a result of time evolution.

Metaphorically, a course of development, such as that of a war or career.

*{{quote-magazine, date=2013-03

, author= , title=The Smallest Cell , volume=101, issue=2, page=83 , magazine= citation , passage=It is likely that the long evolutionary trajectory' of ''Mycoplasma'' went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary ' trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.}}

Noun

(en noun)

An instrument once used to track bullets in a body, through the entrance wound

(linguistics, in a verbal phrase) A subject or object that moves (through space or time)

----