> I came across the term "semimetacyclic" (about a group) in a Russian
> historical text. What is the correct English term?
>
I'd translate it as "semimetacyclic". But I don't know what it
means. It might have been chosen to distinguish the weaker from the
stronger of the two existing uses of "metacyclic" - see Coxeter
and Moser's "Generators and relations for discrete groups"
John Conway