[ thahy-oh ]
/ ˈθaɪ oʊ /
containing sulfur, especially in place of oxygen.
WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
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Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”
Origin of thio
independent use of thio-
Words nearby thio
Definition for thio (2 of 2)
a combining form meaning “sulfur,” used in chemical nomenclature in the names of compounds in which part or all of the oxygen atoms have been replaced by sulfur; often used to designate sulfur analogues of oxygen compounds.
Also especially before a vowel, thi-.
Origin of thio-
combining form representing Greek theîon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for thio
Alum does not agree with the thio dyestuffs which are manufactured by Dahl & Co., Barmin, and are fast against soap and light.The Practical Ostrich Feather Dyer|Alexander Paul
British Dictionary definitions for thio
before a vowel thi-
indicating that a chemical compound contains sulphur, esp denoting that a compound is derived from a specified compound by the replacement of an oxygen atom with a sulphur atomthiol; thiosulphate
Word Origin for thio-
from Greek theion sulphur
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 thio
Containing sulfur, used especially of a compound in which oxygen has been replaced by a divalent sulfur:thioacid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for thio
A prefix that means containing sulfur, used especially of a compound in which an oxygen atom has been replaced by a sulfur atom, as in thiourea.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.