different between macerating vs stepping

English

macerating

From Middle English steppyng; equivalent to step +? -ing.

stepping

stepping (plural steppings)

The act of taking a step.
- 2005, Miriandra Rota, Pathways and Parables for a Changing World (page 263)
  In the steppings of my feet, you are always my mother.
(computing) A specific iteration of a model of central processing unit, often distinguished by the addition or removal of features compared to earlier examples of the same processor, or the presence, or lack thereof, of specific bugs.
The 80386's early steppings have quite a lot of bugs, so some software specifically tests to make sure that the processor isn't one of those old versions.

stepping

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