n.

1. 字彙；語彙；用字範圍[C][U]
   Wide reading will increase your vocabulary.

   博覽群書會增加你的詞彙量。

2. 單字集；字典[C]

n.

1. the body of words used in a particular language or in a particular sphere of activity.
   ▸the body of words known to an individual person.
   ▸a list of difficult or foreign words with an explanation of their meanings.
2. a range of artistic or stylistic forms or techniques.