opalise

A verb meaning to convert into opal or to give an opalescent appearance; now rarely used.

• 🇫🇷Verbe signifiant transformer en opale ou donner un aspect opalescent; aujourd'hui rarement utilisé.

1. Make opalescent C2 formal

   To cause something to display a milky, iridescent play of colors, similar to an opal.

   • The jeweler opalised the glass to create a unique decorative piece.
   • The artist opalised the surface of the sculpture with a special chemical treatment.
   • The sunset opalised the clouds, giving them a shimmering, rainbow-like quality.

   🇫🇷Rendre opalescent

   Synonymes: opalize

2. Replace or convert into opal C2 formal

   To replace the original material of a fossil or mineral with opal, or to convert something into opal through a geological process.

   • Over millions of years, the wood was opalised, turning into a precious fossil.
   • The bones of the ancient creature were opalised by the mineral-rich water.
   • Geologists studied the opalised shells found in the desert region.

   🇫🇷Opaliser

• opalised past participle
• opalised past simple
• opalising present participle
• opalises third person singular