方阵 (fāngzhèn): square formation (military)

Measure Word

一个方阵 gè

Yuèbīngshì shàng, shìbīng pái chéng zhěngqí de fāngzhèn zǒuguò guǎngchǎng.

At the military parade, soldiers marched across the square in neat formations.

Shùxué zhōng de fāngzhèn shì zhǐ hángliè shù xiāngděng de jǔzhèn.

In mathematics, a square matrix is a matrix with equal numbers of rows and columns.

usage

方阵 is used in military contexts (formation) and mathematics (square matrix). In math, it is synonymous with 正方矩阵 or 方形矩阵.

方 fāng

阵 zhèn