Daily Almanac for
Nov 30, 2009
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Dictionary


i•ris•a•tion



Pronunciation: (ī"ri-sā'shun), [key]
n.
the effect or quality of being iridescent; iridescence.

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

irisiris diaphragm
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