refractometer
— Noun
– English
～ measuring instrument for measuring the refractive index of a substance
refractoriness
— Noun
– English
～ the trait of being unmanageable
refractory anemia
— Noun
– English
～ 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)
refractory pot
— Noun
– English
～ a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
refractory anaemia
— Noun
– English
～ 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)
refractory period
— Noun
– English
～ (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
refractory
— Noun
– English
～ lining consisting of material with a high melting point; used to line the inside walls of a furnace
refractory
— Adjective
– English
～ stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
refractory
— Adjective
– English
～ not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains"
refractory
— Adjective
– English
～ temporarily unresponsive or not fully responsive to a process or stimulus; "the refractory period of a muscle fiber"
refractory-lined
— Adjective
– English
～ (of furnaces) lined with material that has a high melting point