代だい数すう学がくだいすうがくMeanings1nounalgebraThe branch of mathematics dealing with symbols and the rules for manipulating them. Used in academic and educational contexts.代だい数すう学がくは数すう学がくの一いち分ぶん野やです。Algebra is a branch of mathematics.彼かれは大だい学がくで代だい数すう学がくを専せん攻こうしている。He is majoring in algebra at university.