Full Idea
Dialectic can be said to aim at wholeness or unity, while 'analytic' thinking divides that with which it deals into parts.
Gist of Idea
Dialectic aims at unified truth, unlike analysis, which divides into parts
Source
J Baggini / PS Fosl (The Philosopher's Toolkit [2003], §2.03)
Book Reference
Baggini,J and Fosl,P.S.: 'The Philosopher's Toolkit' [Blackwells 2003], p.44
A Reaction
I don't accept this division (linked here to Hegel). I am a fan of analysis, as practised by Aristotle, but it is like dismantling an engine to identify and clean the parts, before reassembling it more efficiently.