n.

1. 附屬物
2. 助手；副手
3. 【文】附加語；修飾語

a.

1. 附屬的；兼職的；副的
   He was hired as an adjunct professor by the History Department of National Taiwan University.

   他被台大歷史系聘為兼職教授。

n.

1. an additional and supplementary part.
2. an assistant.
3. Grammar  a word or phrase in a sentence other than the verb or predicate.

adj.