Definition of nonreactive
: not reactive: such as
b
: having no inductance or capacitance
—used of a circuit offering only ohmic resistance to a current nonreactive circuits
c
: not exhibiting a positive reaction in a particular laboratory test
serum that is nonreactive on the first test
d
of cookware
: not reacting chemically with acidic ingredients
a nonreactive bowl Bring the liquids and the sugar to a boil in a nonreactive saucepan.— Harvey Steiman Stainless steel is used in cookware primarily for its easy care and nonreactive qualities; it's a notoriously poor conductor of heat.— Melanie Barnard
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Merriam-Webster unabridged
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Time Traveler for nonreactive
The first known use of nonreactive was circa 1909
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