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Coptis trifolia

资料来源 : Webster's Revised Unabridged Dictionary (1913)



   {Gold of pleasure}. [Name perhaps translated from Sp.
      oro-de-alegria.] (Bot.) A plant of the genus {Camelina},
      bearing yellow flowers. {C. sativa} is sometimes
      cultivated for the oil of its seeds.

   {Gold shell}.
      (a) A composition of powdered gold or gold leaf, ground up
          with gum water and spread on shells, for artists' use;
          -- called also {gold paint}.
      (b) (Zo["o]l.) A bivalve shell ({Anomia glabra}) of the
          Atlantic coast; -- called also {jingle shell} and
          {silver shell}. See {Anomia}.

   {Gold size}, a composition used in applying gold leaf.

   {Gold solder}, a kind of solder, often containing twelve
      parts of gold, two of silver, and four of copper.

   {Gold stick}, the colonel of a regiment of English
      lifeguards, who attends his sovereign on state occasions;
      -- so called from the gilt rod presented to him by the
      sovereign when he receives his commission as colonel of
      the regiment. [Eng.]

   {Gold thread}.
      (a) A thread formed by twisting flatted gold over a thread
          of silk, with a wheel and iron bobbins; spun gold.
          --Ure.
      (b) (Bot.) A small evergreen plant ({Coptis trifolia}), so
          called from its fibrous yellow roots. It is common in
          marshy places in the United States.

   {Gold tissue}, a tissue fabric interwoven with gold thread.
      

   {Gold tooling}, the fixing of gold leaf by a hot tool upon
      book covers, or the ornamental impression so made.

   {Gold washings}, places where gold found in gravel is
      separated from lighter material by washing.

   {Gold worm}, a glowworm. [Obs.]

   {Jeweler's gold}, an alloy containing three parts of gold to
      one of copper.
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