Noun
hifu (plural hifu)
A protective padded outer vest or pinafore worn by children over their kimono on outings, such as Shichi-Go-San, in lieu of an obi or pair of hakama.
HIFU (uncountable)
(medicine) Abbreviation of high intensity focused ultrasound.
HIFU has CE approval for palliative care for bone metastasis. Source: Internet
High-intensity focused ultrasound (HIFU) is still in investigatory phases in many places around the world. citation In China it has CFDA approval and over 180 treatment centres have been established in China, Hong Kong, and Korea. Source: Internet