(noun.) (mathematics) a variable that has zero as its limit.
(adj.) infinitely or immeasurably small; 'two minute whiplike threads of protoplasm'; 'reduced to a microscopic scale' .
辛迪校对
双语例句
It was the united products of infinitesimal vegetable causes, and these were neither stems, leaves, fruit, blades, prickles, lichen, nor moss. 托马斯·哈代.还乡.
Edison finally decided to apply a preliminary metallic coating of infinitesimal thinness, and accomplished this object by a remarkable process known as the vacuous deposit. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.