Rectangle



GRE TOEFL 考研

解释

GRE 红宝书

• n. 长方形, 矩形
• ［英］ 长方形, 矩形 ( a flat shape with four straight sides forming four right angles)
• ［记］ rect（正, 直）+angle（角） -> （四个角）都是直角 -> 矩形

Webster Collegiate

noun

• Etymology: Medieval Latin rectangulus having a right angle, from Latin rectus right + angulus angle — more at right, angle
• Date: 1571
• a parallelogram all of whose angles are right angles; especially one with adjacent sides of unequal length

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