low-birth-weight baby

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an infant born weighing less than 5.5 pounds (2500 grams) regardless of gestational age
- a low-birth-weight infant is at risk for developing lack of oxygen during labor
• Syn:
low-birth-weight infant
• Hypernyms:
neonate, newborn, newborn infant, newborn baby