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open ball. In DICTIOUS you will not only get to know all the dictionary meanings for the word
open ball, but we will also tell you about its etymology, its characteristics and you will know how to say
open ball in singular and plural. Everything you need to know about the word
open ball you have here. The definition of the word
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English
Noun
open ball (plural open balls)
- (topology, mathematical analysis, restricted to metric spaces) The set of all points in a metric space whose distance from a given point ("the open ball's center") is less than a given length ("the open ball's radius").
Holonyms