catflap.org Online Dictionary Query

  mechanical weathering /mɪkˈanɪkəl wˈɛðəɹɪŋ/
  mechanische Verwitterung
     Synonyms: physical weathering, disintegration, disaggregation
  
   see: weathering, decay, surface disintegration, cavernous weathering, carbonation, chemical weathering, decomposition, efflorescence, immature weathering, humic decomposition, concentric weathering, speroidal weathering, onion weathering, degradation, submarine weathering, halmyro(ly)sis