adjective. containing a buffer{5}; -- of solutions, usually aqueous solutions.

adjective. Using a buffer.

adjective. Dissolved in a buffer solution.

verb. Simple past tense and past participle of buffer.

"Some (though not all) of these mega-regions have a clear hub, and these hubs are likely to be better buffered from the crash than most cities, because of their size, diversity, and regional role."

suffered  

buffer