| Betulin | n. [ L. betula birch tree. ] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch (Betula alba); now referring to the chemical compound (C30H50O2) having a cyclopentanophenanthrene ring system, which is the main constituent of that extract, and which may be obtained crystalline; -- called also birch camphor. Watts. [ 1913 Webster +PJC ] |
| Berlin | n. [ The capital of Germany ] 1. A four-wheeled carriage, having a sheltered seat behind the body and separate from it, invented in the 17th century, at Berlin. [ 1913 Webster ] 2. Fine worsted for fancy-work; zephyr worsted; -- called also Berlin wool. [ 1913 Webster ]
Berlin black, a black varnish, drying with almost a dead surface; -- used for coating the better kinds of ironware. Ure. --
Berlin blue, Prussian blue. Ure. --
Berlin green, a complex cyanide of iron, used as a green dye, and similar to Prussian blue. --
Berlin iron, a very fusible variety of cast iron, from which figures and other delicate articles are manufactured. These are often stained or lacquered in imitation of bronze. --
Berlin shop, a shop for the sale of worsted embroidery and the materials for such work. --
Berlin work, worsted embroidery. [ 1913 Webster ]
|
