ultrafilter
/uhl-truh-fil-ter/US // ˌʌl trəˈfɪl tər //UK // (ˌʌltrəˈfɪltə) //
超滤器,超级过滤器,超滤,超滤镜
Definitions
n.名词 noun
- 1
- : Physical Chemistry. a filter for purifying sols, having a membrane with pores sufficiently small to prevent the passage of the suspended particles.
- : Mathematics. a filter in a topological space, having the property that no other filter exists in the space having among its subsets all the subsets in the given filter.
v.有主动词 verb
- 1
- : Physical Chemistry. to purify by means of an ultrafilter.
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