The constant in Newton's law of gravitation that yields the rate of acceleration of a less massive body toward a more massive body when multiplied by the product of the masses of the two bodies and divided by the square of the distance between them.万有引力常数：牛顿万有引力定律的常数，由其可推导出一个小物体相对于另一大物体的加速度，即通过把该常数与两物体质量相乘并除以两者间距离的平方而得到