1. Reflect light or colours like an opal
   "Distant clouds opalesce like pale brocade"; "raindrops caught in a sunbeam seem to opalesce" 
2. Exhibit a play of colours like that of an opal
   "This nitrate opalesces under certain conditions"

Derived forms: opalesced, opalescing, opalesces

See also: opalescence, opalescent

Type of: iridesce, reflect, shine

• etiology
• etiquette
• etna
• etodolac
• Eton collar
• Eton College
• Eton jacket
• Etonian
• Etropus
• Etropus rimosus
• Etruria
• Etruscan
• ETS
• etymological
• etymological dictionary
• etymologically
• etymologise
• etymologist
• etymologize
• etymologizing
• etymology
• etymon
• Eu
• Euarctos
• Euarctos americanus