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Of, relating to, or containing tantalum.
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.


(Elements & Compounds) of or containing tantalum, esp in the pentavalent state
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(tænˈtæl ɪk)

of or pertaining to tantalum, esp. in the pentavalent state.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Ye, "Carbon nitride polymers sensitized with N-doped tantalic acid for visible light-induced photocatalytic hydrogen evolution," The Journal of Physical Chemistry C, vol.
The separant pole can be denoted as Sisyphean, after the Greek stone-manipulating Titan; we denote participant as Tantalic, after the stationary, inner-directed and abstract demi-god.
We propose, therefore, to view anti-Semitism, and specifically the Holocaust, as, inter alia, a manifestation of the dialectical clashes and syntheses between the Jewish Tantalic social character and a series of extreme Sisyphean social characters leading up to the Germans.