lexicon

英 [ˈleksɪkən]

美 [ˈleksɪkɑːn]

n. (某语言或学科、某人或群体使用的)全部词汇; (某学科或语言的)词汇表; (尤指希腊语或希伯来语等古代语言的)词典，字典

复数：lexicons　

BNC.8329 / COCA.16005

牛津词典

noun

（某语言或学科、某人或群体使用的）全部词汇
all the words and phrases used in a particular language or subject; all the words and phrases used and known by a particular person or group of people
1. the lexicon of finance and economics
  财经词汇
（某学科或语言的）词汇表
a list of words on a particular subject or in a language in alphabetical order
1. a lexicon of technical scientific terms
  科技术语词汇表
（尤指希腊语或希伯来语等古代语言的）词典，字典
a dictionary, especially one of an ancient language, such as Greek or Hebrew

N-SING （某一学科、个人或群体的）全部词汇
Thelexiconof a particular subject is all the terms associated with it. Thelexiconof a person or group is all the words they commonly use.
1. ...the lexicon of management...
  管理学词汇
2. Chocolate equals sin in most people's lexicon.
  巧克力在大多数人的字典里等同于罪恶。
（某一语言或学科的）词汇表
Alexiconis an alphabetical list of the words in a language or the words associated with a particular subject.
（尤指希腊语、希伯来语等古老语言的）词典，字典
Alexiconis a dictionary, especially of a very old language such as Greek or Hebrew.

noun

a language user's knowledge of words
Synonym:vocabularymental lexicon
a reference book containing an alphabetical list of words with information about them
Synonym:dictionary