词汇 cíhuì vocabulary; lexicon
How to remember 词汇: 词 word + 汇 to gather = vocabulary; lexicon.
Characters
How it is used
- Vocabulary - the stock of words: 扩大词汇量 (kuòdà cíhuìliàng) expand vocabulary, 专业词汇 technical vocabulary.
- A collective term for words as a set, not a single word (that's 词/单词); 词汇量 = vocabulary size.
- Common in language-learning and linguistics.