infinitesimal
infinitesimal 英 [ˌɪnfɪnɪˈtesɪml] 美 [ˌɪnfɪnɪˈtɛsəməl]
adj. 无穷小的；无限小的；极小的 n. 无限小；极微量；极小量
名词复数:infinitesimals
- When it's incalculably small, when teensy seems large compared to it, then it is infinitesimal. "The equipment was so sensitive that even the infinitesimal dust molecules that swept in with the open door altered the readings."
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- adj. 无穷小的；无限小的；极小的
- n. 无限小；极微量；极小量
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1. The "standard model" of physics views particles as infinitesimal points, some of which carry basic forces.
物理学将粒子视为无限小的这个“标准模式”观点，有些是带有基本力量的。
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2. An infinitesimal amount, to look at the derivative. Once I do this, how many molecules are in this higher level now?
一个无限小的量，看看能得到什么，一旦我这样做，现在有多少分子能到达这个较高的能级？
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3. For if these increases of income or utility are reduced to being infinitesimal, one can use both the symbolism and the powerful manipulations of the differential calculus.
因为，如果这些收入或效用的增加可以化为无穷小，那我们既能使用符号表示，也能利用微分学强大的操作了。
- infinitesimal (adj.) 1710 (1650s as a noun), "infinitely small, less than any assignable quantity," from Modern Latin infinitesimus, from Latin infinitus "infinite" (see infinite) + ordinal word-forming element -esimus, as in centesimus "hundredth." Related: Infinitesimally.
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