formal + technicala state in which things happen, move, or exist at the same timeThe objects moved in synchrony with each other.
The objects moved in synchrony with each other.
coevality, contemporaneousness, simultaneousness, synchronismcoexistence, coincidence, concurrence, concurrencydevelopment, happening, occurrence
asynchrony(or asynchronism)
in 1848
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。