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.
The Neonatal Intensive Care Unit (NICU) is where your newborn will stay for days, weeks, or possibly longer, depending on the babyâs degree of prematurity. This department or area in the hospital is where hospital staff care for newborns who have medical complications, or babies who have been born prematurely.