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Dictionary

dif•frac•tom•e•ter

Pronunciation: (di-frak-tom'i-tur, dif"rak-), [key]
—n. Physics.
an instrument that is used to study atomic crystal structure by measuring the angles at which x-rays, neutrons, or electrons are diffracted by matter.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

diffractive

diffusate

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