news Definitions of microcardia - OneLook Isabella Bartlett Apr 07, 2026 Definitions from Wiktionary (microcardia)▸ noun: (medicine) The presence of an unusually small heart.microgenitalia, micropenis, microstomia, microcheilia, microcoria, micropreemie, microgenesis, microphallus, microencephaly, microglossia, more...▸ Words similar to microcardia▸ Usage examples for microcardia▸ Idioms related to microcardia▸ Civic discussion about microcardia (New!)▸ Popular adjectives describing microcardia▸ Words that often appear near microcardia▸ Rhymes of microcardia▸ Invented words related to microcardia