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hypergalactia

American  
[hahy-per-guh-lak-tee-uh] / ˌhaɪ pər gəˈlæk ti ə /
Also hypergalactosia

noun

Pathology.
  1. an abnormally large secretion of milk.


Etymology

Origin of hypergalactia

hyper- + galact- + -ia