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Definition of aligner

aligner

/əˈlaɪnər/
a · lign · er
Plural:aligners
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aligner Lexical Profile

aligner Game Scores & Validity

• noun

1

A removable, transparent plastic orthodontic appliance molded to fit over the teeth and gradually move them into their proper position.

Example

"Her orthodontist instructed her to wear the clear aligner for at least twenty-two hours a day."

2

A person, mechanical device, or software program that adjusts, straightens, or brings components into proper relative position or correspondence.

Example

"The technician used an optical aligner to calibrate the semiconductor wafers before etching."

Synonyms
View all synonyms for aligner

• Rhymes for aligner

• Nearby Words

alienness
alight
align
aligner
alignment
alike
alikeness

Cite this Entry

Wordmom. (2026). Definition of Aligner. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aligner
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