Bifurcate

bifurcate \BY-fur-kayt; by-FUR-kayt\, transitive verb:

1. To divide into two branches or parts.

intransitive verb:
1. To branch or separate into two parts.

adjective:
1. Divided into two branches or parts; forked.

Increasingly, Canadian teachers are a bifurcated group -- either relative newcomers to the profession or experienced veterans.
-- Heather-Jane Robertson, "The Devil's in the Demographics.", Phi Delta Kappan, January 1999