| refractory anemia |
any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)
출처: wordnet.princeton.edu/perl/webwn
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| refractory period |
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
출처: wordnet.princeton.edu/perl/webwn
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| refraction |
the change in direction of a propagating wave (light or sound) when passing from one medium to another deflection: the amount by which a propagating wave is bent
출처: wordnet.princeton.edu/perl/webwn
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| refractive index |
the ratio of the velocity of light in a vacuum to that in a medium
출처: wordnet.princeton.edu/perl/webwn
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| refractory |
not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains" temporarily unresponsive or not fully responsive to nervous or sexual stimuli; "the refractory period of a muscle fiber" furnace lining: lining consisting of material with a high melting point; used to line the inside walls of a furnace fractious: stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
출처: wordnet.princeton.edu/perl/webwn
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