that describes or shows the essential meaning of something
The EU referendum was a defining moment for our nation.欧盟公投是我们国家的决定性时刻。
Front porches are a defining characteristic of Garfield's architecture.前廊是加菲猫建筑风格的标志性特征。
He believed that liberty was a defining characteristic of a civilized society.他认为自由是文明社会的特征。
Advertising is one of the defining features of our age.广告是我们这个时代的标志性特征之一。
(also restrictive)
(grammar语法)(of relativeclauses关系从句)explaining which particular person or thing you are talking about rather than giving extra information about them. In ‘The books which are on the table are mine’, ‘which are on the table’ is a defining relative clause.Topics Languageb1