1) Paediatrics 2) Pediatric medicine 3) Pediatrics 
Neonatology is a subspecialty of pediatrics that consists of the medical care of newborn infants, especially the ill or premature newborn infant. It is a hospital-based specialty, and is usually practiced in neonatal intensive care units (NICUs). The principal patients of neonatologists are newborn infants who are ill or requiring special medical ...
study of newborn babies
The branch of Paediatrics concerned with the care of newborn infants
The art and science of caring medically for the newborn. ... (12 Dec 1998) ... 
(ne″o-na-tol´ә-je) the branch of health science dealing with disorders of the neonate; it is a subspecialty of pediatrics.
Type: Term Pronunciation: nē′ō-nā-tol′ŏ-jē Definitions: 1. The pediatric subspecialty concerned with disorders of the neonate. Synonyms: neonatal medicine
Neonatology: The art and science of caring medically for the newborn.
Neonatology is the branch of medicine concerned with the development and disorders of newborn babies.
Study of new born.
[n] - that branch of pediatric medicine concerned with the newborn
neonatology, neonatal medicine 1. The study, care, and treatment of neonates. 2. The study and science of the newborn up to two months of age postnatally. 3. The branch of medicine dealing with the newborn infant and its diseases, as well as its physical and psychological care, assessment, and development.nepiology, neonatology The study and science of the newborn up to two months of age postnatally.
noun that branch of pediatric medicine concerned with the newborn; the diagnosis and treatment of neonates
the study of the development and disorders of newborn children.