Added 2 October 2026 neonatology /ˌniːəʊnəˈtɒləd͡ʒi/ noun Categories: Mind & IdeasRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about neonatology at Wordnik → Where our words come from → The branch of medicine that deals with newborn infants, especially the ill or premature newborn infant. Related Words: perinatologyneonatalogyneonatalityneonateneonatalogistneonacyneotologyneuropediatricsneotologistneurol.neurologyneurophysiology Back to today's word