One: proliferation
noun
rapid increase in numbers : a continuing threat of nuclear proliferation. • rapid reproduction of a cell, part, or organism : we attempted to measure cell proliferation. • [in sing. ] a large number of something : stress levels are high, forcing upon them a proliferation of ailments.
noun
rapid increase in numbers : a continuing threat of nuclear proliferation. • rapid reproduction of a cell, part, or organism : we attempted to measure cell proliferation. • [in sing. ] a large number of something : stress levels are high, forcing upon them a proliferation of ailments.


