refractive index
— Navneord
– Engelsk
～ the ratio of the velocity of light in a vacuum to that in a medium
refractiveness
— Navneord
– Engelsk
～ the physical property of a medium as determined by its index of refraction
refractivity
— Navneord
– Engelsk
～ the physical property of a medium as determined by its index of refraction
refractometer
— Navneord
– Engelsk
～ measuring instrument for measuring the refractive index of a substance
refractoriness
— Navneord
– Engelsk
～ the trait of being unmanageable
refractory anemia
— Navneord
– Engelsk
～ 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
— Navneord
– Engelsk
～ a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
refractory anaemia
— Navneord
– Engelsk
～ 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
— Navneord
– Engelsk
～ (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
refractory
— Navneord
– Engelsk
～ lining consisting of material with a high melting point; used to line the inside walls of a furnace
refrain
— Navneord
– Engelsk
～ the part of a song where a soloist is joined by a group of singers
refraktion
— Navneord
– Dansk
～ ændring af (lys)bølgers udbredelsesretning, evt. o ...
refresher course
— Navneord
– Engelsk
～ a course that reviews and updates a topic for those who have not kept abreast of developments
refresher
— Navneord
– Engelsk
～ a course that reviews and updates a topic for those who have not kept abreast of developments
refresher
— Navneord
– Engelsk
～ a drink that refreshes; "he stopped at the bar for a quick refresher"
refresher
— Navneord
– Engelsk
～ a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
refreshment
— Navneord
– Engelsk
～ activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation; "time for rest and refreshment by the pool"; "days of joyous recreation with his friends"
refreshment
— Navneord
– Engelsk
～ snacks and drinks served as a light meal
refried beans
— Navneord
– Engelsk
～ dried beans cooked and mashed and then fried in lard with various seasonings
refrigerant
— Navneord
– Engelsk
～ any substance used to provide cooling (as in a refrigerator)