| 单词 | holmium |
| 释义 | holmium[ hohl-mee-uhm ] / ˈhoʊl mi əm / noun Chemistry.a rare-earth, trivalent element found in gadolinite. Symbol: Ho; atomic weight: 164.930; atomic number: 67. Origin of holmium<New Latin (1879), equivalent to Holm(ia) Stockholm + -ium-ium Words nearby holmiumHolmes-Adie syndrome, Holmes light, Holmes, Oliver Wendell, Jr., Holmes, Sherlock, holmic, holmium, holm oak, holo-, holobenthic, holoblastic, Holocaine Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for holmiumholmium / (ˈhɒlmɪəm) / nouna malleable silver-white metallic element of the lanthanide series. Symbol: Ho; atomic no: 67; atomic wt: 164.93032; valency: 3; relative density: 8.795; melting pt: 1474°C; boiling pt: 2700°C Word Origin for holmiumC19: from New Latin Holmia Stockholm Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for holmiumholmium [ hōl′mē-əm ] n. Symbol HoA soft malleable rare-earth element. Atomic number 67. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for holmiumholmium [ hōl′mē-əm ] HoA soft, silvery, malleable metallic element of the lanthanide series. Its compounds are highly magnetic. It is mainly used in scientific research but has also been used to make electronic devices. Atomic number 67; atomic weight 164.930; melting point 1,461°C; boiling point 2,600°C; specific gravity 8.803; valence 3. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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