# Adjoin vs Bandjalang - What's the difference?

## English

### Verb

(en verb)
• To be in contact or connection with.
• The living room and dining room adjoin each other.
• (transitive, mathematics, chiefly, algebra, and, number theory) To extend an algebraic object (e.g. a field, a ring etc.) by adding to it (an element not belonging to it) and all finite power series of (the element).
• $\textbf\left\{Q\right\}\left\left(\sqrt\left\{2\right\}\right\right)$ can be obtained from $\textbf\left\{Q\right\}$ by adjoining $\sqrt\left\{2\right\}$ to $\textbf\left\{Q\right\}$ .