perovskite(redirected from perovskites)
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1. A relatively rare yellow, brown, or black mineral, CaTiO3, sometimes containing rare-earth elements such as lanthanum.
2. Any of various oxides having a crystal structure similar to that of this mineral and that can be found in many superconducting ceramic materials and in electrodes in fuel cells.
[After Count Lev Alekseyevich Perovski (1792-1856), Russian mineralogist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) a yellow, brown, or greyish-black mineral form of calcium titanate with some rare-earth elements, which is used in certain high-temperature ceramic superconductors
[C19: named after Count Lev Alekseevich Perovski (1792–1856), Russian statesman]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pe•rovsk•ite(pəˈrɒf skaɪt, -ˈrɒv-)
1. a rare titanate mineral, CaTiO3, forming yellow, brown, or black cubic crystals.
2. any of a family of superconducting ceramics with an atomic structure resembling that of this mineral.
[1835–45; < German Perowskit, after Count Lev Alekseevich Perovskiĭ (1792–1856), Russian statesman; see -ite1]
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