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louis d'or

[loo-ee dawr; French lwee dawr] /ˌlu i ˈdɔr; French lwi ˈdɔr/
noun, plural louis d'or
[loo-eez dawr; French lwee dawr] /ˌlu iz ˈdɔr; French lwi ˈdɔr/ (Show IPA)
a former gold coin of France, issued from 1640 to 1795; pistole.
Also called louis.
1680-90; < French: literally, louis of gold; named after Louis XIII Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for louis-d'or

louis d'or

/ˌluːɪ ˈdɔː; French lwi dɔr/
noun (pl) louis d'or (ˌluːɪz ˈdɔː; French) (lwi dɔr)
a former French gold coin worth 20 francs
an old French coin minted in the reign of Louis XIII
Often shortened to louis
Word Origin
C17: from French: golden louis, named after Louis XIII
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for louis-d'or

louis d'or

gold coin circulated in France before the Revolution. The franc (q.v.) and livre were silver coins that had shrunk in value to such an extent that by 1740 coins of a larger denomination were needed. The French kings therefore had gold coins struck and called after their name Louis, or louis d'or ("gold Louis"). After the Revolution, Napoleon continued the practice but called the coins "napoleons." They had a value of 20 francs.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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