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hypomastia

noun

hy·​po·​mas·​tia -ˈmas-tē-ə How to pronounce hypomastia (audio)
: abnormal smallness of the mammary glands

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“Hypomastia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hypomastia. Accessed 4 Dec. 2025.

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