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.
Newborn Jaundice Definition. Neonatal jaundice: Yellowish staining of the skin and whites of the newborn's eyes (sclerae) by pigment of bile (bilirubin). In newborn babies a degree of jaundice is normal.