asperity


[ad_1] noun, plural as·per·i·ties.
  1. harshness or sharpness of tone, temper, or manner; severity; acrimony: The cause of her anger did not warrant such asperity.
  2. hardship; difficulty; rigor: the asperities of polar weather.
  3. roughness of surface; unevenness.
  4. something rough or harsh.

noun plural -ties

  1. roughness or sharpness of temper
  2. roughness or harshness of a surface, sound, taste, etc
  3. a condition hard to endure; affliction
  4. physics the elastically compressed region of contact between two surfaces caused by the normal force
n.

c.1200, asprete “hardship, harshness of feelings,” a figurative use, from Old French asperité “difficulty, painful situation, harsh treatment” (12c., Modern French âpreté), from Latin asperitatem (nominative asperitas) “roughness,” from asper “rough, harsh,” of unknown origin; in Latin used also of sour wine, bad weather, and hard times. Figurative meaning “harshness of feeling” attested from early 15c.

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