| Word | Definitions | Synonyms |
|---|---|---|
| neon | (noun) a colorless odorless gaseous element that gives a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts | Synonyms: atomic number 10, Ne |
| neonatal | (adjective) relating to or affecting the infant during the first month after birth | - |
| neonate | (noun) a baby from birth to four weeks | Synonyms: newborn |
| neonatology | (noun) that branch of pediatric medicine concerned with the newborn; the diagnosis and treatment of neonates | - |