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acmesthesia

American  
[ak-muhs-thee-zhuh, -zhee-uh, -zee-uh] / ˌæk məsˈθi ʒə, -ʒi ə, -zi ə /
Or acmaesthesia

noun

Psychology.
  1. awareness of sharp points through the sense of touch without experiencing pain.


Etymology

Origin of acmesthesia

< Greek akm ( ) acme + esthesia