Definition of polyhydramnios in English:

polyhydramnios

(also polyhydramnion)

noun

Obstetrics
  • Abnormally large volume of amniotic fluid during pregnancy.

Origin

Late 19th century. From poly- + hydramnios. Compare slightly earlier oligohydramnios.

Pronunciation

polyhydramnios

/ˌpɒlɪhʌɪˈdramnɪəs/