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1. An alloy of gold or silver with a greater proportion of another metal, such as copper, used in making coins.
2. An alloy of silver with a high percentage of copper, used in making medals and tokens.

[French, from Old French, ingot, from bille, log; see billet2.]


1. (Metallurgy) an alloy consisting of gold or silver and a base metal, usually copper, used esp for coinage
2. (Metallurgy) any coin made of such an alloy
[C18: from Old French: ingot, from bille log; see billet2]


(ˈbɪl ən)

1. an alloy of gold or silver with a larger amount of base metal, esp. copper.
2. an alloy of silver with copper, used for coins of small denomination.
[1720–30; < French: debased metal]
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28 Billon Euro was recorded only due to this facility.
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Para poder afirmar que si existe, se mide la tasa en la que se desintegra en otras particulas, algo dificil porque su deteccion ocurre una vez por cada billon de colisiones de protonproton.
Portugal received a 78 billion euro bailout in 2011, and Ireland 85 billon in 2010 from the EU and IMF.