aligner
/əˈlaɪnər/
noun
- A person or thing that arranges something in a straight line or correct position.
- The aligner carefully adjusted the rows of chairs.
- This tool is a great aligner for picture frames.
- The machine's aligner ensures each part is placed correctly.
- A clear plastic dental device used to straighten teeth.
- He forgot to put his aligner back in after lunch.
- She wears a new aligner every two weeks to move her teeth.
- The orthodontist recommended clear aligners instead of braces.
Synonyms