Definition of unbuffered
: not buffered: such as
a
: not marked off by a protective zone or device
unbuffered bike lanes … hit an unbuffered concrete wall …— Brant James
b
chemistry
: not treated with a neutralizing substance
unbuffered acids
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Merriam-Webster unabridged
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Time Traveler for unbuffered
The first known use of unbuffered was in 1919
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