pho ‧ nol ‧ o ‧ gy /fəˈnɒlədʒi $ -ˈnɑː-/ BrE AmE noun [uncountable] technical
the study of the system of speech sounds in a language, or the system of sounds itself
—phonologist noun [countable]
—phonological /ˌfəʊnəˈlɒdʒɪk ə l◂, ˌfɒn- $ ˌfoʊnəˈlɑː-/ adjective
—phonologically /-kli/ adverb