bleachorexia en · NOUN
Etymology
Blend of bleach + anorexia.
Meanings
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(uncountable) An unhealthy obsession with whitening one's teeth.
People who want teeth whiter than nature intended, reaching repeatedly for the peroxide, suffer from "bleachorexia," a word coined by the American Dental Association.
2009 September 24, Deirdre Kelly, “Price choppers: Get pearly whites for 99 bucks”, in The Globe and Mail: