億 (yì) - Hundred million & a hundred million

億Tone 4

yì ｜ 15 strokes ｜ radical:

一懿

億 · yì

Hundred million;

a hundred million;

a very large number;

ancient meaning: to be at ease, peaceful.

Hundred milliona hundred milliona very large number

Usage highlights

Hundred millionBillionsBillionaireHundred million levelHundreds of millionsTens of billions

Synonyms

  • 万— ten thousand (a smaller large number unit)
  • 兆— trillion (a larger number unit)

Antonyms

  • 零— zero (antonym in numerical scale)
  • 寡— few, scant (antonym in quantity)

Usage & contexts

Examples

  • China has a population of over 1.4 billion (十四亿).
  • The company's revenue reached billions (数十亿).
  • He is a billionaire (亿万富翁).
  • This is a project costing hundreds of millions (亿级项目).

Collocations

  • Hundred million(亿)
  • Billions(亿万)
  • Billionaire(亿万富翁)
  • Hundred million level(亿级)
  • Hundreds of millions(数亿)
  • Tens of billions(百亿)

Idioms

  • Countless, innumerable(亿万斯年)
  • Peaceful and contented(心亿则乐)
  • A mind at peace brings happiness(心安神亿)

Cultural background

FAQ
  • In modern Chinese, 亿 represents 10^8 (100,000,000), a fundamental unit for large numbers.
  • In ancient usage, 亿 meant 'to be at ease' or 'peaceful', derived from classical texts.
  • The character reflects both mathematical scale and a philosophical ideal of contentment.

FAQ