infinitesimal

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

(mathematics) a variable that has zero as its limit
• Topics:
mathematics, math, maths
• Hypernyms:
variable, variable quantity

II - adjective

infinitely or immeasurably small
- two minute whiplike threads of protoplasm
- reduced to a microscopic scale
• Syn:
minute
• Similar to:
small, little
• Derivationally related forms:
minuteness (for: minute)