代 数(だいすう)

だいすう

noun

algebra

See also: 台数(だいすう) (homophone: number of machines)

1. algebra

A branch of mathematics dealing with symbols and the rules for manipulating them to solve equations and study relationships.

代数(だいすう)の問題(もんだい)を解(と)く。

To solve algebra problems.

代数(だいすう)は数学(すうがく)の基礎(きそ)だ。

Algebra is the foundation of mathematics.

線形(せんけい)代数(だいすう)を勉強(べんきょう)している。

I'm studying linear algebra.

代数(だいすう) is the branch of mathematics that uses symbols and letters to represent numbers and quantities in equations. The kanji break down as 代(だい) (substitute) + 数(すう) (number), reflecting the use of variables to stand in for numbers.

Compounds

線形(せんけい)代数(だいすう): linear algebra
代数(だいすう)方程式(ほうていしき): algebraic equation
代数(だいすう)学(がく): algebra (as an academic field)
代数(だいすう)の問題(もんだい): algebra problem

CULTURAL NOTE (in school):
Algebra is studied from 中学校(ちゅうがっこう) (junior high) onward. 線形(せんけい)代数(だいすう) (linear algebra) is a standard 大学(だいがく) (university) course.

Related words

幾何(きか): geometry
微分(びぶん): differentiation / calculus
積分(せきぶん): integration
数学(すうがく): mathematics (general term)

Related Words

Related: 数学(すうがく) (mathematics)

Related: 幾何(きか) (geometry)

Related: 微分(びぶん) (differentiation)

Related: 積分(せきぶん) (integration)

general

Added 2026.1.16 11:32 · Revised 2026.10.10 22:54

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