verdigris

• طبقة خضراء أو خضراء مزرقّة تتكوّن على سطح النحاس أو النحاس الأصفر أو البرونز نتيجة التعرّض الطويل للهواء أو الرطوبة، أو الصبغ الأخضر المزرقّ المستخرج من هذه العملية.

A noun referring to a green or bluish-green patina that forms on copper, brass, or bronze surfaces due to prolonged exposure to air or moisture, or a blue-green pigment derived from this process.

غير معدود

1. Blue-green pigmentC1formalart

   A blue or green powder used as a paint pigment, typically produced by the action of acetic acid on copper.

   زنجار

   • The artist used verdigris to create a vibrant green hue in the painting.
   • Verdigris was a popular pigment in medieval manuscripts.
   • The restoration team carefully applied verdigris to match the original color.

2. Green patina on metalsC1formalscientific

   A greenish layer that forms on copper, brass, or bronze after prolonged exposure to air or water.

   الزنجار الأخضر على المعادن

   • The Statue of Liberty is famous for its green verdigris coating.
   • Old copper roofs develop a layer of verdigris over time.
   • The bronze statue had a beautiful verdigris patina from years of weathering.

   المرادفاتpatina

• يغطي أو يُغطى بطبقة خضراء أو مزرقّة، غالبًا على النحاس أو النحاس الأصفر أو البرونز نتيجة الأكسدة.

A verb meaning to coat or become coated with a green or bluish patina, typically on copper, brass, or bronze due to oxidation.

1. To color with verdigrisC2formal

   To give something a green or bluish-green color, like the patina that forms on copper or bronze.

   طلاء بالزنجار

   • The artist verdigrised the metal sculpture to give it an antique look.
   • Time had verdigrised the old copper roof.
   • They verdigrised the bronze statue to match the historical patina.

   المرادفاتgreenpatinatepatinize