虚数単位

きょすうたんい

Meanings

1. Noun imaginary unit

Kanji

• 虚 void. Read as キョ.
• 数 number. Read as スウ.
• 単 single. Read as タン.
• 位 rank. Read as イ.

Example sentences

• 𝑥² = −1 となる数 𝑥（実数ではない）を sqrt(−1) または i と記して虚数単位と言う。
  When x² = −1, the number x (which is not a real number) is written as "sqrt(−1)" or "i", and is called the imaginary unit.

Word lists

• Mathematics

Jinuma: Japanese Dictionary · Word lists