Learn Japanese — where understanding folds into fluency.

Join the Newsletter

Connect

Email Discord Instagram TikTok YouTube LinkedIn Bluesky X

© 2026 Kumiai Inc. All rights reserved.

About FAQ Contact Status Privacy Terms

虚数 (きょすう) — imaginary number | Kumi Dictionary

Dictionary
Kanji Vocab
虚数

虚数

虚きょ数すう

imaginary number

Kanji Vocab Science & Math24 strokes

Hold to practice stroke order

きょすう

Noun

1.

imaginary number

mathematics

ANIMATION

Stroke 0 / 24

Speed1.0x

Speed1.0x

Kanji that make up this word

むな.しい・うつ.ろ…(2)

void・emptiness・unpreparedness・crack・fissure…(1)

かず・かぞ.える・しばしば・せ.める・わずらわ.しい…(6)

number・strength・fate・law・figures

Track your mastery

Kumi's KMT system will track your mastery across kanji, vocabulary, grammar, and reading. Create an account to join the waitlist for 220,000+ concepts.

Related concepts for this entry

Used in vocabulary

虚
数