"Jerry Avins" <[email protected]> wrote in message
news:[email protected]..
> Stuart Welwood wrote:
>
> ...
>
>> An initialism is an acronym! ...
>
> but not every acronym is an initialism. Consider "multiply and
> accumulate" --> MAC

But your example *IS* both an acronym and an initialism
by the definition Mr. Welwood quoted. Other more complete
discussions make the distinction of pronouncability.