thi·a·zine  (th īə-z ēn ′)
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n. Any of a class of organic chemical compounds containing an aromatic ring containing one sulfur atom, one nitrogen atom, and four carbon atoms. Thiazines are often used in making dyes, drugs, and insecticides. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
Indo-European Roots
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