Definition of mammogenesis in US English:

mammogenesis

noun

Physiology
  • Development of the mammary glands.

Origin

1950s; earliest use found in Proceedings of the Royal Society of London. From mammo- + -genesis, after mammogenic.

Pronunciation

mammogenesis

/ˌmamə(ʊ)ˈdʒɛnɪsɪs/