亿兆 yìzhào countless Definitions Defs Origin Strokes Stroke Words Sentences Sents yìzhào countless 亿 億 yì numeral hundred million one hundred million; 100,000,000兆 zhào trillion a large number; in modern usage, typically a million (10^6) in Mainland China scientific contexts and a trillion (10^12) in Taiwan; historically used for various scales including billionyìzhào the masses 亿 億 yì numeral hundred million one hundred million; 100,000,000兆 zhào many numerous; vast; (bound form) the masses