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Word of the Day Tuesday, June 9, 2026

aligner

/ˈælɪɡnər/ noun · British & US
Valid in UKValid in US
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What does aligner mean?

noun

A device used to straighten or align teeth, typically by applying gentle pressure over a period of time. An aligner can be used in orthodontic treatment to correct misaligned teeth.

Example

"The dentist recommended that her patient wear the aligner for at least 22 hours a day to achieve the desired results."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for aligner

Antonyms of aligner

Rhymes with aligner

Etymologically related