glaciologyPronunciation: /ˌgleɪsɪˈɒlədʒi/Definition of glaciology noun [mass noun] the study of the internal dynamics and effects of glaciers. Derivatives glaciologicalPronunciation: /-əˈlɒdʒɪk(ə)l/ adjective glaciologist noun Origin: late 19th century: from Latin glacies 'ice' + -logyglaciology in other Oxford dictionaries Definition of glaciology in the US English dictionary