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Verb: opalise  'ow-pu,lIz
Usage: Brit (N. Amer: opalize)
  1. Replace or convert into opal
    "opalised tree trunks";
    - opalize
     
  2. Make opalescent
    "The morning mist opalised the distant mountains";
    - opalize

Derived forms: opalised

Type of: alter, change, convert, modify