Also found in: Medical.
Related to thionic: thionic acid
Of, relating to, containing, or derived from sulfur.
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, relating to, or containing sulphur
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