breast augmentation
US /brɛst ˌɔɡmɛnˈteɪʃən/
UK /brɛst ˌɔɡmɛnˈteɪʃən/

1.
a cosmetic surgical procedure to increase the size of the breasts, typically by inserting implants
:
•
She decided to undergo breast augmentation to enhance her figure.
•
The clinic specializes in various cosmetic procedures, including breast augmentation.