名词

1. （某人所掌握的）词汇,词汇量
Your vocabulary is the total number of words you know in a particular language.

2. (某一语言的）词汇，词汇量
The vocabulary of a language is all the words in it.

3. 专业词汇
The vocabulary of a subject is the group of words that are typically used when discussing it.

1. a language user's knowledge of words

Synonym: lexiconmental lexicon

2. the system of techniques or symbols serving as a means of expression (as in arts or crafts)

e.g. he introduced a wide vocabulary of techniques

3. a listing of the words used in some enterprise