non·​re·​ac·​tive | \ ˌnän-rē-ˈak-tiv How to pronounce nonreactive (audio) \

Definition of nonreactive

: not reactive: such as
a : lacking a response or reaction to a stimulus nonreactive pupils as a result of head trauma
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

First Known Use of nonreactive

circa 1909, in the meaning defined above

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The first known use of nonreactive was circa 1909

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non·​re·​ac·​tive | \ -rē-ˈak-tiv How to pronounce nonreactive (audio) \

Medical Definition of nonreactive

: not reactive dilated nonreactive pupils especially : not exhibiting a positive reaction in a particular laboratory test the serum was nonreactive in the VDRL test

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