名詞 repetition:

1. an event that repeats
   同義詞：repeat
2. the act of doing or performing again
   同義詞：repeating
3. the repeated use of the same word or word pattern as a rhetorical device

1. A recurrent, often unconscious pattern of behavior that is acquired through frequent repetition.
   習慣一種由于不斷的重復而形成的反復出現，經常是無意識的行為方式
2. The story loses a great deal in repetition.
   這個故事由于反復講述而大為減色了。
3. Lacking power to evoke interest through overuse or repetition; hackneyed.
   陳腐的，老一套的因久用或重復而失去引起興趣的力量的，老生常談的
4. This accident is a repetition of the one that happened here three weeks ago.
   這起車禍是三星期前在這里發(fā)生過的車禍的重演。

rep.e.ti.tion

n.Abbr. rep.（名詞）縮寫 rep.
The act or process or an instance of repeating or being repeated.
重復：重復或被重復的行為、過程或事例
A recitation or recital, especially of prepared or memorized material.
背誦：背誦或朗誦，尤指已經準備好的或記住的材料

來源：
Middle English repeticioun
中古英語 repeticioun
from Old French repeticion
源自 古法語 repeticion
from Latin repetotiô repetotiôn-
源自 拉丁語 repetotiô repetotiôn-
from repetotus [past participle of] repetere [to repeat] * see repeat
源自 repetotus [] repetere的過去分詞 [重復] *參見 repeat

【引伸】
rep.eti.tional
adj.（形容詞）