noun
: a point that is related to a set of points in such a way that every neighborhood of the point no matter how small contains another point belonging to the set — called also point of accumulation
noun
: a point that is related to a set of points in such a way that every neighborhood of the point no matter how small contains another point belonging to the set — called also point of accumulation
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012