amidogen

[ uh-mee-duh-juhn, -jen, uh-mid-uh- ]

noun

, Chemistry.

1. (formerly) the −NH 2 group.

Word History and Origins

Origin of amidogen¹

First recorded in 1840–50; amido- + -gen

Example Sentences

For the chemists among you, urea is an organic chemical compound composed of two amidogen groups joined by a carbonyl functional group.

From Time

A compound formed by the union of amidogen with an acid element or radical.

From Project Gutenberg

Containing, or derived from, amidogen. ÷ acid, an acid in which a portion of the nonacid hydrogen has been replaced by the ~ group.

From Project Gutenberg

Many of these are colourless bodies containing the Amidogen group NH2, which imparts to them basic properties enabling them to combine with solids to form salts, and these salts have a strong colouring power.

From Project Gutenberg