definition
noun
ˌdefɪəˈnɪʃən noun
1 a phrase or sentence that says exactly what a word, phrase, or idea means 定义，释义; C
a dictionary definition
词典里的释义
[+ of ]
There are many definitions of the word ‘feminism’.
“女性主义”一词有许多定义。
definition of sth as sth
the definition of God as infinite
认为上帝即无限者的定义
2
by definition
if something has a particular quality by definition, it must have that quality because all things of that type have it 必然〔有某种品质，因为同类事物全都有这种品质〕
People say that students are by definition idealistic and impatient.
人们说学生总是理想化的、急躁的。
3 the clear edges, shapes, or sound that something has 清晰度，鲜明度 U
technologies such as high definition television
高清电视之类的技术
good muscle definition
漂亮清晰的肌肉轮廓