The term "unibody" means that something, such as a car or a laptop, is built using a single piece or structure instead of separate parts. Full definition
Both phones come with a premium - looking full metal unibody design with their rear panels housing the fingerprint scanners, just below the main cameras. (nashvillechatterclass.com)
The device sports metal unibody design with a 2.5 D curved glass on the front. (phoneradar.com)
It is built into an 6000 series aluminum unibody design with a polished, high - gloss surface on some of the colors. (gizcentral.com)