豊ほう胸きょう術じゅつほうきょうじゅつMeanings1nounbreast augmentation; augmentation mammoplastysurgeryMedical term for surgical breast enlargement. Often used in clinical or cosmetic surgery contexts.See also: 豊胸手術彼かの女じょは豊ほう胸きょう術じゅつを受うけるかどうか迷まよっている。She is hesitating about whether to undergo breast augmentation.