one of three integers giving the orientation and position of the face of a crystal in terms of the reciprocals, in lowest terms, of the intercepts of the face with each axis of the crystal.
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What does “Promethean” mean?
Origin of Miller index
1895–1900; named after W. H. Miller (1801–80), British mineralogist
Words nearby Miller index
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020