1. resembling or having the appearance of opal; showing a play of colors like an opal

1. a type of translucent glass that resembles opal

Examples

• The opaline surface of the vase shimmered with blue and green hues.
• She admired the opaline quality of the morning mist over the lake.
• The antique shop displayed several pieces of opaline glassware.
• His opaline eyes seemed to change color in different light.
• The collector specialized in 19th-century opaline from French manufacturers.
• The opaline finish on the lampshade created a soft, diffused glow.