/,defɪ'nɪʃn; ,dɛfə`nɪʃən/ n
1 (a) [U] stating the exact meaning (of words, etc) （词语等的）释义
*Dictionary writers must be skilled in the art of definition. 词书编纂者必须精于给词语下定义的技巧.
(b) [C] statement that gives the exact meaning (of words, etc) （词语等的）定义
*Definitions should not be more difficult to understand than the words they define. 词语的定义不应比所解释的词语更难理解.
(a) clearness of outline; making or being distinct in outline （轮廓的）清晰（度）; 鲜明（度）
*The photograph has poor definition. 这张照片轮廓很不清楚.
* They concentrated on better definition of the optical image. 他们致力于提高该光学影像的鲜明度.
(b) power of a lens (in a camera or telescope) to show clear outlines （照相机或望远镜中）透镜的分解力, 解像力.
3 (a) [U] clear statement; outlining 清楚的说明; 划出的轮廓
*My duties require clearer definition. 我的职责需要更清楚的说明.
(b) [C] instance of this; outline 清楚的说明; 轮廓
*The book attempts a definition of his role in world politics. 该书要阐明的是他在世界政局中的作用.
a phrase or sentence that says exactly what a word, phrase, or idea means
→define a dictionary definitiondefinition of There are many definitions of the word 'feminism'.definition of sth as sth the definition of God as infiniteby definition
if something has a particular quality by definition, it must have that quality because all things of that type have it People say that students are by definition idealistic and impatient.[U]
the clear edges, shapes, or sound that something has technologies such as high definition television good muscle definition
1. Anthropology was by definition impossible, as long as these distinctions between ourselves and the primitive, ourselves and the barbarian, ourselves and the pagan, held sway over people´s minds. 只要我们同原始人，我们同野蛮人，我们同异教徒之间存有的区别在人的思想中占主工导地位，那么人类学按其定义来说就无法存在。
2. You should give a definition. 你应该下个定义。
3. … As his name is, so is he ..." says the Bible, and Webster's Dictionary includes the following definition of name: "……人如其名 ……"，此外韦伯斯特大词典也对名字作了如下的定义：