By Richard Nordquist. Definition: A rhetorical term for the repetition of words or phrases at both the beginning and end of successive clauses or verses: a combination of anaphora and epiphora (or epistrophe). See Examples and Observations, below. Also see: 1  Effective Rhetorical Strategies of Repetition. 2  Epimone. 3  Gradatio. 4  Top 20 Figures of Speech.
At any given moment, roughly 5,000 planes are in the skies above the United States. In one year, controllers handle an average of 64 million takeoffs and landings. For every one flight you see listed on an airport monitor, two you don't see show up on air traffic controllers' screens.
According to the forecast, the total number of people flying commercially on U.S. airlines will increase by 0.2 percent to 732 million in 2012, then to 746 million in 2013, and then increase more rapidly to 1.2 billion in 2032. The aviation system is expected to reach one billion passengers per year in 2024.