单词 | terbium |
释义 | terbium[ tur-bee-uhm ] / ˈtɜr bi əm / noun Chemistry.a rare-earth, metallic element present in certain minerals and yielding colorless salts. Symbol: Tb; atomic number: 65; atomic weight: 158.924; specific gravity: 8.25. Origin of terbium1835–45; (Yt)terb(y), name of Swedish town where found + -ium. See ytterbium OTHER WORDS FROM terbiumterbic, adjectiveWords nearby terbiumteratophobia, teratosis, Te Rauparaha, terazosin hydrochloride, terbia, terbium, terbium metal, terbium oxide, Ter Borch, Terbrugghen, terbutaline Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for terbium
British Dictionary definitions for terbiumterbium / (ˈtɜːbɪəm) / nouna soft malleable silvery-grey element of the lanthanide series of metals, occurring in gadolinite and monazite and used in lasers and for doping solid-state devices. Symbol: Tb; atomic no: 65; atomic wt: 158.92534; valency: 3 or 4; relative density: 8.230; melting pt: 1356°C; boiling pt: 3230°C Derived forms of terbiumterbic, adjectiveWord Origin for terbiumC19: from New Latin, named after Ytterby, Sweden, village where it was discovered 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 terbiumterbium [ tûr′bē-əm ] n. Symbol TbA soft metallic rare-earth element used in x-ray tubes. Atomic number 65. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for terbiumterbium [ tûr′bē-əm ] TbA soft, silvery-gray metallic element of the lanthanide series. It is used in color television tubes, x-ray machines, and lasers. Atomic number 65; atomic weight 158.925; melting point 1,356°C; boiling point 3,123°C; specific gravity 8.229; valence 3, 4. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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