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sodamide

sodamide Chem.
  (ˈsəʊdəmaɪd)
  [f. sod-a1 + amide.]
  A substance, usually of a greenish colour, formed by treating sodium with gaseous ammonia (cf. quots.).

1838 T. Thomson Chem. Org. Bodies 7 Sodamide and mercuramide are amidets of sodium and mercury. 1867 Bloxam Chem. 551 When potassium and sodium were heated in gaseous ammonia, hydrogen was evolved, and potassamide and sodamide were produced.

Oxford English Dictionary

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