The Collaborative International Dictionary
Eupnaea
Eupnaea \Eup*n[ae]"a\, n. [NL., fr. gr. ? easy breathing; e'y^
well + ? to breathe.] (Physiol.)
Normal breathing where arterialization of the blood is
normal, in distinction from dyspn[ae]a, in which the blood is
insufficiently arterialized.
--Foster.