embryologyPronunciation: /ˌɛmbrɪˈɒlədʒi/Definition of embryology noun [mass noun] the branch of biology and medicine concerned with the study of embryos and their development. Derivatives embryologicPronunciation: /-brɪəˈlɒdʒɪk/ adjective embryologicalPronunciation: /-brɪəˈlɒdʒɪk(ə)l/ adjective embryologicallyPronunciation: /-brɪəˈlɒdʒɪk(ə)li/ adverb embryologist noun embryology in other Oxford dictionaries Definition of embryology in the US English dictionary