refractory period refractory-lined • refractory pot · · · Info · Definitions · Characters · · refractory period · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response. Synonyms: refractory period. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079