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Billion Billionaire Noun Bil·Lion·Aire In  Millionaire  One Wealth

Title Billionaire
Text
Merriam-Webster's Collegiate Dictionary
bil·lion·aire
 \\ˌbi(l)-yə-ˈner, ˈbi(l)-yə-ˌ\\ noun
 ETYMOLOGY  billion + -aire (as in millionaire)
 DATE  1860
: one whose wealth is estimated at a billion or more (as of dollars or pounds)
English Etymology
billionaire
  1861, Amer.Eng., from billion on model of millionaire. The first in the U.S. likely was John D. Rockefeller (1839-1937), some time after World War I.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
billionaire
bil·lion·aire 7biljE5neE(r)NAmE -5ner / noun   an extremely rich person, who has at least a thousand million pounds, dollars, etc. in money or property
   巨富;亿万富翁
Webster's Third New International Dictionary, Unabridged
bil·lion·aire
\ˌbilyəˈna(a)(ə)r, ˌbiy-, -ne(ə)r, -na(a)ə, -neə, ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun
(-s)
Etymology: billion + -aire (as in millionaire)
: one whose wealth is about a billion dollars or other monetary units

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