detrition

from WordNet (r) 3.0 (2006)

detrition
    n 1: erosion by friction [syn: {abrasion}, {attrition},
         {corrasion}, {detrition}]
    2: the wearing down of rock particles by friction due to water
       or wind or ice [syn: {grinding}, {abrasion}, {attrition},
       {detrition}]
    3: effort expended in moving one object over another with
       pressure [syn: {friction}, {detrition}, {rubbing}]

from The Collaborative International Dictionary of English v.0.48

Detrition \De*tri"tion\, n. [LL. detritio. See {Detriment}.]
   A wearing off or away.
   [1913 Webster]

         Phonograms which by process long-continued detrition
         have reached a step of extreme simplicity. --I. Taylor
                                                  (The
                                                  Alphabet).
   [1913 Webster]

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