lˈɑːɹdʒ ˈaɪs mˈæsᵻz ɑːɹ plˈæstɪk ænd kæn slˈoʊli flˈoʊ ɪn ɹᵻspˈɑːns tə ɡɹˈævᵻɾi ɔːɹ pɹˈɛʃɚ fɹʌm fˈɜːðɚɹ ɐkjˌuːmjʊlˈeɪʃənz.
Large ice masses are plastic and can slowly flow in response to gravity or pressure from further accumulations.