Metallurgy Metalware

Metals

Meanings and phrases

precious metals

Pronunciation American British Australian Indian
E.g.
  • The ban on export of precious metals was introduced.
  • These sanctions relate to gold, precious metals, and arms.
  • Umicore is the world's largest recycler of precious metals.

heavy metals

Pronunciation American British Australian Indian
E.g.
  • In most people, aluminium is not as toxic as heavy metals.
  • In China, heavy metals also cause environmental pollution.
  • It can mobilize some heavy metals such as mercury if present.

other metals

Pronunciation American British Australian Indian
E.g.
  • Guinea also has diamonds, gold, and other metals.
  • Sodium, arsenic and other metals can poison catalysts.
  • Devon has produced tin, copper and other metals from ancient times.

metals such

Pronunciation American British Australian Indian
E.g.
  • It can mobilize some heavy metals such as mercury if present.
  • This process uses metals such as nickel, zinc, copper, and magnesium.
  • Traces of precious metals such as gold may be left in the original solution.

transition metals

Pronunciation American British Australian Indian
E.g.
  • Alkynes form complexes with transition metals.
  • The cyanide anion is a ligand for many transition metals.
  • Chromium is a member of group 6, of the transition metals.

alkali metals

Pronunciation American British Australian Indian
E.g.
  • Most alkali metals have many different applications.
  • Their spectra are analogous to those of the alkali metals.
  • All alkali metals melt as a part of the reaction with water.

base metals

Pronunciation American British Australian Indian
E.g.
  • Buddhist texts from the 2nd to 5th centuries mention the transmutation of base metals to gold.
  • Such impurities are introduced from the base metals and alloying elements, but are removed during processing.
  • represents the weight of "fine metal" therein, in proportion to the total weight which includes alloying base metals and any impurities.
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