noun
- a person or thing that aligns or arranges things in a straight line or proper position
- a clear plastic dental device worn over the teeth to gradually straighten them
Usage: medical
Examples
- The wheel aligner at the auto shop fixed my car’s steering problem.
- She wore clear aligners instead of traditional metal braces.
- The orthodontist recommended aligners for her crooked teeth.
- The machine aligner ensured all the parts were positioned correctly.
- He changed to a new set of aligners every two weeks.
- The dental aligner treatment took about eighteen months to complete.