The meaning of OPALINE is resembling opal.

Opaline glass is a style of antique glassware that was produced in Europe, particularly 19th-century France. It was originally made by adding materials such as bone ash to lead-crystal, …

Opaline glass, usually opaque glass or crystal, either white or coloured, made in France between approximately 1810 and 1890. Opaline resembles the milk glass of 16th-century Venice and …

Jan 1, 2026 · opaline (countable and uncountable, plural opalines) A clear to white liquid secreted by sea hares (genus Aplysia) that becomes viscous upon contact with water.

Aug 18, 2025 · opaline is a style of glass popularized in europe in the 1800s and expanded to other parts of the world in the 1900s. opaline is made by infusing glass with other materials …

opaline in American English (ˈoupəlɪn, -ˌlin, -ˌlain) adjective of or like opal; opalescent

A mineral of hydrated silica. 2. A gemstone made of this mineral, noted for its rich iridescence.

opaline Add to list Definitions of opaline adjective having a play of lustrous rainbow colors synonyms: iridescent, nacreous, opalescent, pearlescent

Opaline refers to a semi-translucent or glass-like material, often found as a subtype of glass or gemstone. It has specific characteristics that include a smooth, milky, or iridescent …

opaline, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary