English

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Etymology

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From non- +‎ effusion.

Noun

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noneffusion (uncountable)

  1. Lack of effusion.
    • 2006, Fred H. Bess, Judith S. Gravel, Foundations of Pediatric Audiology, page 172:
      Curve gradient proved consistently important in distinguishing effusion from noneffusion in only two of the zones: HN and TR.