Definition of "refrangibility" [re•fran•gi•bil•i•ty]

• The quality of being refrangible. (noun)

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• "Neither when I spoke of red, or blue, and green, as well as refrangibility, had I these several colors, or the rays of light passing into a different medium, and there diverted from their course, painted before me in the way of images."
• "Newton sets forth his classic experiments showing that light is a heterogeneous mixture of rays of different refrangibility, and that rays of different refrangibility differ also in color."
• "If we hold with Professor Allman that thought, will, and conscience, though only manifesting themselves through the medium of cerebral protoplasm, are not its properties any more than the invisible earth elements which lie beyond the violet are the property of the medium which, by altering their refrangibility, makes them its own -- then the study of the exact nature and properties of the transmitting medium is equally necessary."