Douglas Harper's Etymology Dictionary
bariatric
1976, from Greek baros "weight," related to barys "heavy" (see grave (adj.)) + -iatric.
Wiktionary
bariatric
a. Referring to the branch of medicine bariatrics, the treatment of obesity and weight problems.
Usage examples of "bariatric".
Maybe if she found a higher paying job she could afford liposuction or bariatric surgery or one of those hypnosis clinics that kept sending emails.