Acetamide n. : A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl.

Example:
Why is the reactivity Acetamide
Taxonomy
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Defination from the web:
Acetamide (or acetic acid amide or ethanamide), CH3CONH2, the amide of acetic acid, is a white crystalline solid in pure form. ... http://rruff.geo.arizona.edu/doclib/hom/acetamide.pdf Handbook of Mineralogy ...