imaginary number
noun [ C ] mathematics specialized uk/ɪˌmædʒ.ɪ.nər.i ˈnʌm.bər/ us/ɪˌmædʒ.ə.ner.i ˈnʌm.bɚ/
虚数
a number that is the square root of a negative number
Compare: real number
江苏热线英汉汉英双解词典包含207361条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。