di- 1 
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              Tweet pref. 1.  Two; twice; double: dichromatic. 2.  Containing two atoms, radicals, or groups: dichloride. [Greek; see  dwo- in the Appendix of Indo-European roots.]  | 
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
di- 2 
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The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.






