refractoriness

noun
re·​frac·​to·​ri·​ness | \ ri-ˈfrak-t(ə-)rē-nəs How to pronounce refractoriness (audio) \

Medical Definition of refractoriness

: the insensitivity to further immediate stimulation that develops in irritable and especially nervous tissue as a result of intense or prolonged stimulation

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one from the Upper Peninsula of Michigan

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