1 technical term or point 术语; 专业上的细节
*The book is full of scientific technicalities. 这本书里尽是科学术语.
* The lawyer explained the legal technicalities to his client. 律师给委托人解释法律上的要点.
2 detail of no real importance 不重要的细节
*a mere technicality 无足轻重的细节.
the small details of how to do something or how a system or process works
I don't really want to get into discussing the technicalities of laser printing.
a small detail in a law or a set of rules, especially one that forces you to make a decision that seems unfair
The case against him had to be dropped because of a legal technicality.
on a technicality
The proposal was rejected on a technicality (=because of a technicality) .