nipple-dilation

== English == === Etymology === From nipple +‎ dilation. === Pronunciation === (UK, US) IPA(key): /ˈnɪ.p(ə)l.daɪ.ˈleɪ.ʃən/ === Noun === nipple-dilation (plural nipple-dilations) Surgical operation to make the nipples larger and more prominent.