DISPERSION Meaning of DISPERSION in English di ‧ sper ‧ sion /dɪˈspɜːʃ ə n $ -ˈspɜːrʒ ə n/ BrE AmE noun [uncountable] ↑ dispersal Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012