Asperities

• (pl. ) of Asperity
Found on http://thinkexist.com/dictionary/meaning/asperities/

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asperities

asperities 1. Harshness of manner. 2. Something hard, or difficult, to endure.
Found on http://www.wordinfo.info/words/index/info/view_unit/3695/

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Asperities

(fault) Roughness on the fault surface posing local resistance to slip.
Found on http://earthquakescanada.nrcan.gc.ca/info-gen/glossa-eng.php

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