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adj. Using a buffer.

adj. Dissolved in a buffer solution.

v. Simple past tense and past participle of buffer.

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

"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."

buffer   

suffered