trillion

n. 大量

兆

學術名詞

• 兆：物理學、電機工程、資訊、電力工程
• 一萬億：電機工程、電力工程
• 1012：物理學

英文釋義

1. a very large indefinite number (usually hyperbole)
2. the number that is represented as a one followed by 18 zeros in the UK
3. the number that is represented as a one followed by 12 zeros
4. one quintillion in Great Britain