unibody

noun

1. 1

   An automobile construction technique in which the body is integrated into a single unit with the chassis rather than having a separate body-on-frame.

2. 2

   A body of this type.

3. 3

   A shell that is the principal source of structural strength of an object; also, its design and construction.

4. 4

   A style of mobile phone, tablet, or laptop computer where the user cannot replace the battery because the device is manufactured as a single sealed unit.