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Meaning of atacamite

at•a•cam•ite

Pronunciation: (at"u-kam'īt, u-tak'u-mīt"), [key]
— n.
  1. a mineral, hydrated chloride of copper, CuCl(OH), occurring in a green, granular form: a minor ore of copper.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.