Definition of embryocardia in US English:

embryocardia

noun

rare
  • The condition (in post-natal life) of having equally spaced heart sounds, as in the fetus.

Origin

Late 19th century; earliest use found in Boston Medical and Surgical Journal. After French embryocardie.

Pronunciation

embryocardia

/ˌɛmbrɪə(ʊ)ˈkɑːdɪə/