critical mass noun
plural ∼ masses [count, noncount] 1 technical : an amount of material (such as plutonium) that is large enough to allow a nuclear reaction to occur 2 : the size, number, or amount of something that is needed to cause a particular result
▪ Production of the show stopped after complaints from viewers reached (a) critical mass.
▪ Production of the show stopped after complaints from viewers reached (a) critical mass.
