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metamict
metamict (ˈmɛtəˌmɪkt) adj (Chemistry) of or denoting the amorphous state of a substance that has lost its crystalline structure as a result of the radioactivity of uranium or thorium within it: metamict minerals. [C19: from Danish metamikt, from meta- + Greek miktos mixed] ˌmetamictiˈzation, ˌmetamictiˈsation nmetamict
metamict[′med·ə‚mikt] (mineralogy) Of a radioactive mineral, exhibiting lattice disruption due to radiation damage while the original external morphology is retained. |