Water is a transparent and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms. Its chemical formula is H2O, meaning that its molecule contains one oxygen and two hydrogen atoms, that are connected by covalent bonds.
1. recently born; called also neonatal. 2. newborn infant. postmature newborn (post-term newborn) post-term infant. premature newborn (preterm newborn) preterm infant.
Neonatology is the medical specialty of taking care of newborn babies, sick babies, and premature babies. The word neonatology is stuck together from several root words and basically means science of the newborn -- neo = new, natal = birth, ology = science of. A neonatologist is a doctor that specializes in the field of neonatology. So... Neonatologist is basically a fancy technical term for baby doctor..