a. rare. [f. AMMONIUM + -IC: cf. potass-ic, sod-ic, etc.] Of or derived from ammonium (or ammonia).

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1869.  Eng. Mech., 19 March, 581/3. He has challenged me to name one chemist who considers the solution ammonic hydrate.

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1876.  Harley, Mat. Med., 111–2. Ammonic carbonate … is only known in solution.

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