二に乗じょう

also: じじょう

に

じょ

う

Freq.FrequencyTop 100,000

Meanings

1

noun, noun or participle which takes 'suru', transitive verb

square; second power

mathematics

Mathematical term for multiplying a number by itself. Used as a noun or with する to mean 'to square'.

3の二に乗じょうは9です。
3 squared is 9.
この式しきでは、xを二に乗じょう

し

て

ください

。

In this formula, please square x.

Written forms

二乗
- にじょう
  Standard kanji form for 'square' in mathematics.
- じじょう
自じ乗じょうUsage100%
Rare alternative kanji form; reading じじょう is less common than にじょう.
２乗
- にじょう
  Variant using Arabic numeral 2; common in technical or informal writing.
- じじょう
じじょう

Kanji

二two, two radical (no. 7)
乗ride, power, multiplication
自oneself

Similar words

三さん乗じょう
Means 'cube' or 'third power', while 二乗 is specifically 'square' or 'second power'.
平へい方ほう
Also means 'square' but is more formal and often used in compound terms like 平方メートル (square meter). 二乗 is the common term for squaring a number.

Etymology

From 二 (two) and 乗 (power, multiplication). The reading じじょう for 自乗 is a Sino-Japanese reading of the alternative kanji 自 (self) + 乗, literally 'self-multiplication'.