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amidogen

[uh-mee-duh-juh n, -jen, uh-mid-uh-] /əˈmi də dʒən, -ˌdʒɛn, əˈmɪd ə-/
noun, Chemistry
1.
(formerly) the −NH 2 group.
Origin of amidogen
1840-1850
1840-50; amido- + -gen
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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