From up + grade.
- an improved component or replacement item, usually applied to technology
- to improve, usually applied to technology, generally by complete replacement of one or more components
- to replace an existing object with something better
- computing to replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name
trans-top|to replace an existing object with something better
trans-top|to replace a program with a later version of itself