infinitesimal

详细解释:a. 极小的, 极微的, 无限小的
n. 极小量, 极微量, 无限小
【电】 无限小值

词型变化：

副词:infinitesimally

英语解释：

名词 infinitesimal:

(mathematics) a variable that has zero as its limit

形容词 infinitesimal:

infinitely or immeasurably small同义词：minute, microscopic